توفر منتجات GE Multilin الحماية والمراقبة للأنظمة الكهربائية والعمليات الصناعية. تكتشف هذه الأجهزة الأعطال، وتمنع تلف المعدات، وتعزز موثوقية النظام في تطبيقات توليد الطاقة والتطبيقات الصناعية.
جي إي مولتيلين
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General Electric GE Multilin 750-P5-G5-S1-HI-A20-R-E Feeder Protection Relay
GE Multilin 750-P5-G5-S1-HI-A20-R-E Feeder Protection Relay The GE Multilin 750-P5-G5-S1-HI-A20-R-E, also cataloged as the 750 Feeder Protection Relay, operates as a dedicated hardware component for feeder current monitoring, protection execution, and electrical network control within GE Multilin 750/760 series platforms. Hardware Specifications Parameter Specification Model GE Multilin 750-P5-G5-S1-HI-A20-R-E Brand GE Multilin Origin United States Operating Temp -40 deg C to +60 deg C Power Consumption 15 to 25 W nominal, 45 W maximum Product Type Feeder Protection Relay Series GE Multilin 750/760 Series Mounting Type Drawout case, flush mounting Power Supply 90 to 300 V AC, 125 to 250 V DC Phase CT Input 5 A nominal Ground CT Input 5 A nominal Sensitive Ground CT Input 1 A nominal Frequency Tracking 16 Hz to 65 Hz automatic tracking Communication Ports RS232, dual RS485, optional Ethernet Communication Protocols Modbus RTU, DNP 3.0 Digital Inputs 14 optically isolated dry contact inputs Output Contacts 8 Form-A / Form-C relay outputs Analog Inputs 4 isolated analog inputs, selectable 0-1 mA / 4-20 mA Analog Outputs 8 configurable analog outputs, selectable 0-1 mA / 0-20 mA / 4-20 mA Protection Functions 50P/51P, 50G/51G, 50N/51N, 50SG/51SG, 27/59, 81O/81U, 46, 49, 79, 25 Front Protection Rating IP54 front panel Environmental Coating Conformal coating option for harsh environments Industrial Control Communication and Firmware Compatibility The GE Multilin 750 series relay uses embedded microprocessor control architecture with configurable protection logic, metering functions, and communication interfaces. The unit supports RS232 and RS485 Modbus RTU communication channels, with optional Ethernet expansion capability. Firmware compatibility is managed through GE Multilin configuration tools and supported hardware revisions. The relay supports deterministic data exchange between protection functions, metering channels, and supervisory systems. Configuration parameters include protection pickup levels, timing curves, input/output assignments, and communication settings. Frequently Asked Questions (FAQ) Q: Does the GE Multilin 750-P5-G5-S1-HI-A20-R-E support hot-swappable replacement?A: The relay uses a drawout case design. Removal or insertion should follow the applicable electrical isolation procedure, as protection hardware replacement is not specified as a powered hot-swap operation. Q: What CT inputs are supported by this model configuration?A: The P5 option provides 5 A phase CT inputs, the G5 option provides 5 A ground CT inputs, and the S1 option provides 1 A sensitive ground CT input. Q: What communication interfaces are available for integration with control systems?A: The relay provides front RS232 and rear dual RS485 ports supporting Modbus RTU and DNP 3.0 protocols. Optional Ethernet communication is available through an expansion module. Field Installation Guidelines Install the relay in a compatible drawout panel assembly with correct mechanical alignment of the case and terminal connections. Current transformer wiring should maintain proper polarity and phase identification. CT secondary circuits must remain isolated from unrelated signal wiring and should follow site grounding practices. Communication cables should be routed separately from high-current power conductors. Shielded communication wiring should use appropriate termination and grounding methods according to the installation environment. The conformal coating option should be considered where the relay is exposed to humidity, salt contamination, or airborne corrosive materials. Verify power supply voltage range before energizing the control supply terminals.
$200.00 $100.00
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General Electric GE Multilin 745-W2-P5-G5-HI Transformer Protection Relay
GE Multilin 745-W2-P5-G5-HI Transformer Protection Relay Configured for transformer differential protection and current input processing in GE Multilin substation automation systems, the GE Multilin 745-W2-P5-G5-HI (745 Transformer Protection Relay) provides direct physical/electrical execution for 2-winding transformer protection circuits. Hardware Specifications Parameter Specification Model GE Multilin 745-W2-P5-G5-HI Brand GE Multilin Operating Temp -40 deg C to +60 deg C Power Consumption 25 W nominal, 45 W maximum Protection Function Transformer differential, overcurrent, ground fault, thermal overload monitoring Transformer Configuration 2-winding transformer support Phase CT Inputs 5 A nominal Ground CT Inputs 5 A nominal Frequency Tracking 50/60 Hz nominal, 40 to 70 Hz range Power Supply Input 88 to 300 VDC / 88 to 265 VAC, 47 to 63 Hz Communication Interface RS232, RS485, RS422, Modbus RTU Data Transfer Rate Up to 19,200 bps Mounting Type Draw-out case, 19-inch rack mount or panel cutout mount Deterministic Network and Protection Processing The GE Multilin 745-W2-P5-G5-HI uses microprocessor-based protection processing for transformer electrical measurement and trip logic execution. The relay performs percent differential protection with harmonic restraint functions to discriminate transformer magnetizing inrush and overexcitation conditions. Digital CT ratio matching and phase vector compensation are executed internally, removing the requirement for external interposing CT devices. The unit provides optically isolated digital inputs for external status monitoring and interlocking functions. Form-A and Form-C output relays provide direct interfaces for breaker trip and control circuits. Configurable 4-20 mA analog outputs support transmission of measured parameters including current values, thermal loading, and differential current information. Firmware operation supports event recording, disturbance capture, waveform storage, and fault parameter logging for protection analysis. RS485/RS422 communication with Modbus RTU protocol enables connection to SCADA and substation automation networks. Frequently Asked Questions Q: Does the GE Multilin 745-W2-P5-G5-HI support direct CT ratio matching without external CTs?A: Yes. The relay performs digital CT ratio matching and phase vector group compensation internally through software configuration. Q: What type of field wiring replacement method is supported by this relay?A: The relay uses a draw-out case construction, allowing relay module replacement without disturbing rear field wiring connections. Q: What communication protocols are available for integration?A: The unit provides RS232 front-panel communication and RS485/RS422 rear communication interfaces supporting Modbus RTU protocol. Field Installation Guidelines Install the relay in a suitable rack or panel enclosure using the specified draw-out mounting arrangement. Maintain separation between CT wiring, control wiring, and high-energy power conductors to reduce electromagnetic interference. Connect CT secondary circuits using dedicated terminal wiring and verify polarity before energizing the protection system. Ground cable shields according to substation grounding practices, with shield termination arranged to minimize circulating currents. Verify auxiliary supply voltage compatibility before applying power to the HI power supply input. Confirm communication wiring polarity, termination, and addressing before connecting RS485/RS422 networks. Perform protection setting verification and input/output functional checks before placing the relay into service.
$200.00 $100.00
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General Electric GE Multilin 745-W2-P5-G5-HI Transformer Protection Relay
GE Multilin 745-W2-P5-G5-HI Transformer Protection Relay The GE Multilin 745-W2-P5-G5-HI, also cataloged as the 745 Transformer Protection Relay, operates as a dedicated hardware component for two-winding transformer differential protection, monitoring, and control within transformer protection system platforms. Hardware Specifications Parameter Specification Model 745-W2-P5-G5-HI Brand GE Multilin Weight 4.8 kg Dimensions 9 in H x 7 1/8 in D x 7 in W Operating Temp -40 deg C to +60 deg C Power Consumption 15 W typical, 35 W maximum Series 745 Transformer Protection System Product Type Transformer Protection Relay Control Power Supply 90-300 VDC / 70-265 VAC Frequency 50 Hz / 60 Hz, tracking range 45 to 65 Hz Phase Current Input 5 A secondary CT input Ground Current Input 5 A secondary CT input Voltage Relay Input 60 to 120 V Current Burden < 0.2 VA at 5 A Thermal Continuous Rating 20 A continuous Overcurrent Withstand 500 A for 1 second Display 40 character LCD Communication Ports RS232, RS485, RS422 Communication Protocol Modbus RTU / ASCII Deterministic Network and Industrial Control Interface Characteristics The GE Multilin 745 relay incorporates industrial communication functions for transformer monitoring and protection system integration. RS232 front panel communication provides local maintenance access, while rear RS485 and RS422 ports support Modbus RTU communication with supervisory control systems. The relay processes transformer electrical measurements including phase current, ground current, frequency, harmonic content, loading condition, and thermal operating parameters. Event recording functions include oscillography, waveform capture, fault records, and operational logs for protection analysis. The protection firmware executes transformer-specific algorithms including restrained differential protection (87T) with harmonic restraint/blocking, instantaneous differential overcurrent protection (87H), phase and ground overcurrent protection, negative sequence protection, thermal overload modeling, and volts-per-hertz overexcitation monitoring. Frequently Asked Questions Q: What current transformer inputs are supported by the 745-W2-P5-G5-HI configuration?A: The P5 option provides 5 A phase current CT inputs and the G5 option provides 5 A ground current CT inputs for transformer protection measurement circuits. Q: Does the relay support hot-swapping during energized operation?A: The 745-W2-P5-G5-HI is designed as a panel-mounted protection relay. Hot-swap operation is not specified. Installation and replacement should be performed with the protection circuit isolated according to site procedures. Q: What communication interfaces are available for integration?A: The relay provides an RS232 front maintenance port and RS485/RS422 rear communication ports supporting Modbus RTU protocol. Field Installation Guidelines Install the relay in a suitable protective panel enclosure with controlled wiring separation between power circuits, CT measurement circuits, communication cables, and auxiliary control wiring. Current transformer secondary wiring should use dedicated terminal connections with correct polarity verification before energization. CT circuits must not be opened while energized. Communication wiring should maintain appropriate shielding and grounding practices. Shield termination should follow the plant grounding standard to reduce electrical noise coupling. Provide adequate clearance for relay ventilation and service access. Verify control power polarity and voltage range before applying auxiliary supply. Protection settings, CT ratios, transformer parameters, and trip output logic should be validated during commissioning using approved protection testing equipment.
$200.00 $100.00
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General Electric GE Multilin 489-P5-HI-A20-E-H Generator Management Relay
GE Multilin 489-P5-HI-A20-E-H Generator Management Relay The GE Multilin 489-P5-HI-A20-E-H, also cataloged as the 489 Generator Management Relay, operates as a dedicated hardware component for generator protection, monitoring, and control within GE Multilin protection and automation platforms. The relay processes current, voltage, RTD, digital input, and analog output signals for generator electrical condition supervision. Hardware Specifications Parameter Specification Model 489-P5-HI-A20-E-H Brand GE Multilin Weight 18 lb Operating Temp -40 deg C to +60 deg C Power Consumption Typical 15 W, maximum 35 W Series 489 Generator Management Relay Control Power Supply 100-240 V AC (50/60 Hz), 125/250 V DC Phase CT Inputs 5 A CT secondary Ground CT Inputs 1 A or 5 A selectable secondary VT Secondary Inputs 50 V to 240 V AC nominal phase-to-neutral / open delta Analog Outputs 8 assignable channels, 4-20 mA DC Analog Output Load Maximum 1200 ohm RTD Inputs 12 channels supporting 100 ohm Platinum, 100 ohm Nickel, 120 ohm Nickel, and 10 ohm Copper Digital Inputs 9 assignable dry-contact inputs Output Relays 6 output relays for Trip, Aux, Alarm, and Service functions Communication Ports Front RS232 and rear RS485 Modbus RTU Protective Coating Harsh environment conformal coating Case Design Fully drawout with automatic CT shorting Profinet / EtherNet-IP and Industrial Relay Integration Characteristics The GE Multilin 489-P5-HI-A20-E-H is designed around generator protection I/O processing with deterministic relay signal execution. Its firmware-based control structure manages phase current measurements, voltage supervision, thermal model calculations, and programmable output actions. The fully drawout case design incorporates automatic CT shorting during removal, reducing exposure during maintenance operations. The relay supports firmware flash compatibility within the 489 platform architecture and maintains configuration parameters for protection functions including impedance time delay adjustment, negative sequence overcurrent pickup settings, phase distance offset mho characteristics, and sequential trip assignments. Frequently Asked Questions (FAQ) Q: What current input configuration is supported by the 489-P5-HI-A20-E-H?A: The relay accepts 5 A nominal phase CT secondary inputs and provides selectable 1 A or 5 A ground CT secondary input configuration. Q: Does the relay support direct analog signal transmission?A: Yes. The A20 option provides 8 assignable 4-20 mA DC analog outputs with isolated output capability. Q: What communication interfaces are available on this model?A: The relay provides a front RS232 port and a rear RS485 port using Modbus RTU protocol. Field Installation Guidelines Install the relay in a compatible protective relay panel or drawout enclosure with adequate mechanical support and environmental protection. Verify CT polarity and secondary wiring before energizing the unit. CT circuits should remain properly terminated during installation and removal procedures. Separate analog signal wiring, RTD cables, and communication cables from high-current power conductors to reduce electrical interference. Apply shielded cable practices according to site grounding standards, connecting cable shields at the recommended termination point. Confirm control power wiring matches the selected AC or DC supply range before startup. Check all digital input dry-contact circuits, relay output connections, and RS485 communication termination settings before placing the relay into service.
$200.00 $100.00
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General Electric GE Multilin 469-P5-HI-A20-E Motor Management Relay
GE Multilin 469-P5-HI-A20-E Motor Management Relay Configured for motor protection, monitoring, and electrical data processing in the GE Multilin 469 Motor Management Relay platform, the GE Multilin 469-P5-HI-A20-E (469 Motor Management Relay) provides direct physical and electrical execution for three-phase motor protection functions. Hardware Specifications Parameter Specification Model 469-P5-HI-A20-E Brand GE Multilin Weight 13 lbs Dimensions 20 x 20 x 20 inches Product Type Motor Management Relay Phase Current Inputs 5 A CT secondary inputs Control Power Supply 90 to 300 VDC / 70 to 265 VAC, 48 to 62 Hz Analog Outputs 4 channels, assignable 4-20 mA outputs Digital Inputs 9 assignable digital inputs Output Relays 6 Form C output relays Communication Interfaces Modbus RTU via RS232/RS485 and Modbus TCP/IP Ethernet RTD Inputs Up to 12 RTD inputs, including 100 Ohm Platinum, 100 Ohm Nickel, 120 Ohm Nickel, and 10 Ohm Copper Display Enhanced LCD front panel display with backlight Firmware Flash Compatibility and Industrial Control Integration The GE Multilin 469-P5-HI-A20-E uses embedded relay firmware to execute motor protection logic, measurement processing, and communication functions. Firmware flash compatibility must correspond with the installed 469 hardware configuration to maintain correct protection algorithms, I/O mapping, and communication operation. The relay exchanges operational data through Modbus communication channels for integration with industrial monitoring and control systems. The relay processes current, voltage, frequency, power factor, and temperature signals to perform protective functions including overload, short circuit, phase imbalance, ground fault, undervoltage, overvoltage, and thermal capacity monitoring. Frequently Asked Questions Q: Does the 469-P5-HI-A20-E support hot-swap replacement during operation?A: The relay is designed as a protection device installed in a relay panel or drawout configuration. Hot-swap operation should follow the equipment rack and system maintenance procedures. Q: What are the available current input requirements for the relay?A: The model uses 5 A phase CT secondary inputs for motor current measurement and protection calculations. Q: Which communication protocols are available on this configuration?A: This configuration supports Modbus RTU through serial interfaces and Modbus TCP/IP through the Ethernet communication port. Field Installation Guidelines Install the relay in a suitable protective enclosure with wiring separation between power conductors, CT circuits, control wiring, and communication cables. Connect current transformer secondary wiring using proper polarity and terminal identification to maintain accurate current measurement and protection operation. Use shielded communication cables where required by the site installation standard. Connect cable shields according to the grounding practice defined for the control system to reduce electrical noise coupling. Verify control power voltage range before energizing the relay. Confirm all digital input assignments, analog output scaling, and communication parameters before placing the motor protection system into service.
$200.00 $100.00
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General Electric GE Multilin 369-HI-R-M-0-0 Motor Protection Relay
GE Multilin 369-HI-R-M-0-0 Motor Protection Relay Configured for three-phase motor protection, monitoring, and control execution in GE Multilin 369 series protection systems, the GE Multilin 369-HI-R-M-0-0 (369-HI-R-M-0-0 Motor Protection Relay) provides direct electrical protection and measurement functions for medium voltage motor applications. Hardware Specifications Parameter Specification Model 369-HI-R-M-0-0 Brand GE Multilin Origin GE Multilin 369 Series Operating Temp -40 deg C to +60 deg C Power Consumption 15 W typical, 25 W maximum Power Supply 50-300 VDC / 60-265 VAC, 48-62 Hz AC Protection Functions Thermal overload, overcurrent, locked rotor, ground fault, voltage and frequency protection Current Inputs 1 A or 5 A CT configurable phase inputs Communication Interface RS485 / RS232 with Modbus RTU protocol Display Interface Red display faceplate Environmental Protection Harsh environment conformal coating GE Multilin Motor Protection and Thermal Monitoring Functions The 369-HI-R-M-0-0 integrates motor thermal modeling algorithms using current input, temperature information, and motor thermal history to calculate thermal capacity usage and trip conditions. Protection functions include ANSI 49 motor thermal overload, ANSI 50/51 instantaneous and time overcurrent, ANSI 51R/50P locked rotor and mechanical jam detection, ANSI 37/46 undercurrent and current unbalance monitoring, and ANSI 50G/51G ground fault protection. The enhanced metering option provides measurement of phase current, ground current, current unbalance percentage, line-to-line voltage, line-to-neutral voltage, active power, reactive power, apparent power, power factor, energy values, thermal capacity percentage, time-to-trip, and time-to-reset. Frequently Asked Questions Q: What communication protocol is supported by the GE Multilin 369-HI-R-M-0-0?A: The relay supports RS485 and RS232 serial communication interfaces with Modbus RTU protocol. Q: What CT input configuration is supported for motor current measurement?A: The relay supports configurable 1 A or 5 A secondary phase current transformer inputs. Q: Does the conformal coating option affect environmental operation?A: The conformal coating protects internal printed circuit boards against humidity, corrosive atmospheric contaminants, and harsh industrial environments. Field Installation Guidelines Install the relay inside a suitable protective enclosure with appropriate clearance for wiring access and heat dissipation. Connect phase current inputs using correctly rated CT secondary wiring and maintain proper polarity between CT terminals and relay inputs. Use shielded communication cables for RS485 connections where required by site practices. Terminate cable shields according to the control panel grounding design to reduce electrical interference. Separate low-level communication and signal wiring from high-current motor feeder conductors to minimize induced noise. Verify auxiliary contact assignments, digital input wiring, and trip circuits before energizing the protection system. Confirm power supply compatibility with the selected HI power input range before commissioning. Perform functional verification of protection settings, current measurement scaling, and communication addressing after installation.
$200.00 $100.00
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General Electric GE Multilin 369-HI-R-0-0-0-E Motor Management Relay
GE Multilin 369-HI-R-0-0-0-E Motor Management Relay The GE Multilin 369-HI-R-0-0-0-E, also cataloged as the 369 Motor Protection Relay, operates as a dedicated hardware component for three-phase motor protection, thermal monitoring, and electrical fault execution within industrial power control networks. Hardware Specifications Parameter Specification Model 369-HI-R-0-0-0-E Brand GE Multilin Operating Temp -40 deg C to +60 deg C Power Consumption 10-20 W nominal, maximum 35 VA Product Type Motor Management Relay Control Voltage 90-300 VDC / 70-265 VAC, 50/60 Hz Current Inputs 1 A / 5 A CT inputs, software configurable Ground Current Input 1 A / 5 A CT or 50:0.025 zero-sequence CT input Digital Inputs 4 optically isolated dry contact inputs Output Relays 4 relay outputs: Trip, Alarm, Auxiliary 1, Auxiliary 2 Contact Rating 10 A continuous, 30 A make for 0.2 s at 250 VAC / 30 VDC Communication Ports Dual RS485 rear ports Communication Protocol Modbus RTU Baud Rate 1,200 to 19,200 bps Environmental Coating Conformal coating for corrosive gas, moisture, and dust protection Firmware and Industrial Network Integration The GE Multilin 369-HI-R-0-0-0-E supports deterministic serial communication through dual RS485 interfaces configured for redundant Modbus RTU connectivity. The relay exchanges motor protection status, metering values, event records, and diagnostic information with PLC, SCADA, and supervisory control systems. The relay firmware provides configurable motor protection functions including thermal overload, short circuit, phase unbalance, undercurrent, mechanical jam detection, ground fault monitoring, and frequent start protection. Firmware compatibility shall be verified against the installed relay revision before replacement or configuration transfer. Thermal modeling calculates motor thermal capacity utilization through current measurement, cooling rate parameters, and RTD feedback inputs where applicable. The stored event and fault recording functions capture trip conditions, alarms, and oscillography data for electrical fault analysis. Frequently Asked Questions Q: Does the GE Multilin 369-HI-R-0-0-0-E support hot-swap replacement?A: The relay is not specified as a hot-swappable device. Replacement should be performed with control power removed and field wiring isolated according to electrical maintenance procedures. Q: What communication interface is available for PLC or SCADA connection?A: The relay provides two rear RS485 communication ports supporting Modbus RTU protocol for serial network integration. Q: What type of motor current measurement inputs are supported?A: The relay accepts standard 1 A or 5 A CT secondary inputs with software configuration, including ground current measurement through compatible CT configurations. Field Installation Guidelines Install the relay in a protected control cabinet with appropriate environmental separation from high-voltage switching equipment. Verify CT polarity, phase sequence, and secondary wiring before energization. Use shielded communication cable for RS485 connections and terminate the shield according to the site grounding practice. Maintain separation between communication wiring, CT circuits, and high-current conductors to reduce electrical interference. Confirm that the control voltage supply matches the specified AC/DC input range before connection. Ensure all protective earth and cabinet grounding points maintain low-impedance bonding. Before commissioning, verify motor protection settings, CT ratios, digital input states, relay output assignments, and Modbus communication parameters through the configuration interface.
$200.00 $100.00
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General Electric GE Multilin 369-HI-0-0-0-0-H-E 369 Motor Management Relay
GE Multilin 369-HI-0-0-0-0-H-E 369 Motor Management Relay Configured for three-phase motor protection and control execution in GE Multilin 369 Motor Management Relay platforms, the GE Multilin 369-HI-0-0-0-0-H-E (369 Motor Management Relay) provides direct physical and electrical execution for current monitoring, thermal modeling, trip logic, and motor operating protection functions. Hardware Specifications Parameter Specification Model 369-HI-0-0-0-0-H-E Brand GE Multilin / GE Vernova / GE Grid Solutions Dimensions 29.6 cm H x 10.7 cm W x 20.5 cm L Operating Temp -40 deg C to +60 deg C Power Consumption Nominal 10-15 W, 25 VA maximum Product Type Motor Management Relay Control Power Input 90-300 VDC / 70-265 VAC, 50/60 Hz Current Inputs 1 A or 5 A secondary CT inputs Ground Current Inputs 1 A or 5 A ground CT inputs Digital Inputs Optically isolated assignable inputs Output Relays Form-C (SPDT) trip, auxiliary, and alarm relays Communications Rear RS485 Modbus RTU, front RS232 setup port Analog Outputs Assignable 0-20 mA or 4-20 mA DC outputs Mounting Type Drawout panel mounting design Environmental Protection Conformal-coated PCB option for harsh environments GE Multilin 369 Motor Protection and PLC/DCS Integration Features The GE Multilin 369 relay incorporates industrial control characteristics associated with GE Multilin motor management systems, including I/O density scaling for configurable protection channels and firmware flash compatibility for device maintenance operations. The relay processes phase current inputs, ground current signals, digital status inputs, and analog outputs for integration with motor control circuits. The unit supports protection functions including ANSI 49 thermal overload, ANSI 50/51 phase overcurrent, ANSI 50G/51G ground fault protection, ANSI 46 current unbalance protection, ANSI 37 undercurrent protection, ANSI 86 lockout operation, ANSI 48/66 start supervision, and ANSI 51R mechanical jam/stall detection. Frequently Asked Questions Q: What current transformer inputs are supported by the GE Multilin 369 relay?A: The relay accepts 1 A or 5 A secondary CT inputs for phase current measurement and configurable ground current inputs. Q: What communication interfaces are available on the 369-HI-0-0-0-0-H-E model?A: The relay provides a rear RS485 port supporting Modbus RTU communication and a front RS232 port for local configuration. Q: Does the relay support thermal monitoring during motor operation?A: Yes. The relay executes a motor thermal model that tracks thermal capacity usage, trip conditions, and estimated restart availability. Field Installation Guidelines Install the relay in a suitable panel cut-out location using the specified drawout mounting arrangement. Verify control power polarity and voltage range before energizing the unit. Route CT wiring separately from high-voltage switching conductors to reduce induced electrical noise. Use shielded communication wiring for RS485 networks where required, with cable shields terminated according to site grounding practices. Confirm CT secondary connections, digital input polarity, and output relay wiring before commissioning. For installations using the E conformal coating option, maintain enclosure protection to prevent exposure to excessive contaminants or conductive moisture.
$200.00 $100.00
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General Electric GE Multilin 369-HI-0-0-0-0 Motor Protection System
GE Multilin 369-HI-0-0-0-0 Motor Protection System The GE Multilin 369-HI-0-0-0-0, also cataloged as the 369 Motor Protection Relay System, operates as a dedicated hardware component for three-phase motor protection, monitoring, and control within GE Multilin motor management platforms. Hardware Specifications Parameter Specification Model 369-HI-0-0-0-0 Brand GE Multilin Weight 10 lbs Dimensions 29.6 cm x 10.7 cm x 20.5 cm Operating Temp -40 deg C to +60 deg C Power Consumption Nominal 10 W, maximum 20 W Control Power Supply 90-300 VDC or 70-265 VAC, 47-63 Hz Phase Current Inputs 1 A or 5 A secondary selectable Ground CT Input 1 A, 5 A, or 50:0.025 HGF ground CT RTD Inputs 12 programmable RTD inputs Digital Inputs 8 configurable dry-contact inputs Relay Outputs 4 Form-C SPDT control output relays Relay Contact Rating 12 A continuous, 30 A make for 0.2 sec at 250 VAC / 30 VDC Communication Interface RS485 Modbus RTU, front RS232 configuration port Display Interface 40-character backlit LCD with LED status indicators Mounting Type Panel mount, drawout or standard cutoff cutout Enclosure Rating IP54 / NEMA 12 front panel when mounted GE Multilin Motor Protection Firmware and Network Compatibility The 369 motor protection system uses microprocessor-based processing for thermal capacity calculation, overload curve execution, phase overcurrent protection, ground fault detection, stall protection, mechanical jam detection, undercurrent monitoring, and current unbalance analysis. The relay records sequence of events, trip records, motor start statistics, and diagnostic measurements through the embedded firmware functions. The HI control power configuration supports the 90-300 VDC and 70-265 VAC supply range. The relay provides RS485 Modbus RTU communication for integration with industrial monitoring systems. Firmware configuration and parameter management are performed through the front RS232 interface using EnerVista 369 Setup Software. Frequently Asked Questions Q: Does the 369-HI-0-0-0-0 include optional RTD input hardware?A: The 369-HI-0-0-0-0 base configuration does not include optional RTD inputs. RTD capability depends on the selected model configuration. Q: What current transformer inputs are supported by the relay?A: The relay supports phase current inputs with 1 A or 5 A secondary selection and supports ground current measurement through compatible ground CT configurations. Q: What communication protocol is available on the standard unit?A: The standard unit provides an RS485 serial interface supporting Modbus RTU communication. Field Installation Guidelines Install the relay in a suitable panel enclosure with correct mechanical clearance for the rear terminals, wiring access, and service operation. Connect current transformer circuits using properly rated conductors and maintain correct CT polarity for phase and ground measurement accuracy. Separate low-level communication wiring from high-current motor power conductors to reduce electromagnetic interference. Terminate RS485 communication wiring according to the network topology requirements and apply appropriate cable shielding and grounding practices. Verify control power polarity for DC supply applications and confirm the AC supply frequency range before energizing the device. Check all trip, alarm, and auxiliary relay wiring against the application control diagram before commissioning.
$200.00 $100.00
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General Electric GE Multilin 369B1841G0130 Motor Management Relay Module
GE Multilin 369B1841G0130 Motor Management Relay Module Configured for three-phase motor protection and monitoring in the GE Multilin 369 Series Motor Management System, the GE Multilin 369B1841G0130 (369B1841G0130 Motor Management Relay Module) provides direct physical/electrical execution of current sensing, thermal protection, fault processing, and control relay functions. Hardware Specifications Parameter Specification Model 369B1841G0130 Brand GE Multilin Origin General Electric Product Series Multilin 369 Series Motor Management Relay Product Type Motor Management Relay Module Application Medium and large three-phase AC induction motor protection and control Current Inputs 1 A or 5 A phase CT secondary inputs Control Power High range: 60-265 VAC / 50-300 VDC; Low range: 20-48 VAC / 20-60 VDC Frequency Range 50 / 60 Hz nominal Communication Interface RS485 serial communication with Modbus RTU protocol Ethernet Communication Optional Modbus TCP/IP through expansion module Output Relays Up to 4 output relays: Trip, Alarm, Auxiliary 1, Auxiliary 2 Mounting Type Panel mount / drawout case options Operating Temp -40 deg C to +60 deg C Storage Temp -40 deg C to +80 deg C Power Consumption Not specified in available technical data Profinet / EtherNet-IP Deterministic Network and Firmware Compatibility Features The GE Multilin 369B1841G0130 operates as part of the Multilin 369 motor protection platform with processor-based protection logic, configurable settings storage, and communication-driven data exchange. The relay processes phase current measurements, thermal model calculations, trip conditions, and event records through embedded firmware functions. The unit supports RS485 Modbus RTU communication for connection to supervisory systems. Optional communication expansion enables additional network integration paths. Firmware compatibility is managed through GE Multilin configuration tools, allowing field updates of relay settings and supported firmware functions. The motor protection algorithm includes dynamic thermal modeling based on motor heating and cooling characteristics. Protection elements include short circuit, ground fault, phase loss, phase reversal, mechanical jam, undercurrent, and motor restart supervision functions. Frequently Asked Questions Q: What type of current input signals are accepted by the 369B1841G0130?A: The relay accepts phase current inputs from 1 A or 5 A current transformer secondary circuits for motor current measurement and protection calculations. Q: Does the module support direct DCS or SCADA communication?A: Yes. The unit provides RS485 serial communication using Modbus RTU protocol for integration with industrial control and monitoring systems. Q: Can relay settings and firmware functions be modified in the field?A: The 369 Series supports field configuration of protection parameters and field upgradeable settings and firmware functions through compatible GE Multilin configuration software. Field Installation Guidelines Install the relay in a suitable panel-mounted or drawout configuration according to the equipment enclosure requirements and wiring documentation. Connect current transformer secondary wiring with correct polarity and maintain separation between CT circuits, control wiring, and communication cables. Shielded communication cable should be terminated according to RS485 network grounding practices to reduce electrical interference. Verify control power range selection before energization. Confirm that trip, alarm, and auxiliary relay outputs are wired according to the motor starter or protection circuit design. For applications involving variable frequency drives or two-speed motors, validate motor parameters, protection settings, and current measurement scaling before commissioning.
$200.00 $100.00
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General Electric GE Multilin T60 Transformer Protection System
GE Multilin T60 Transformer Protection System The GE Multilin T60 Transformer Protection System, also cataloged as the T60 Transformer Protection Relay, operates as a dedicated hardware component for transformer differential protection, control, and measurement within electrical substation protection networks. The relay processes CT and VT inputs, executes protection algorithms, and provides trip outputs and communication interfaces for transformer applications. Hardware Specifications Parameter Specification Model T60 Brand GE Multilin Origin GE Multilin Universal Relays (UR) series Protection Functions 87T transformer differential, 87G instantaneous differential, 87N restricted earth fault, 50/51 overcurrent, 49 thermal overload, 24 V/Hz protection CT Inputs Supports up to 24 CT inputs VT Inputs Supports up to 6 VT inputs Power Supply 110-250 V DC / 110-240 V AC or 24-48 V DC options Communication Protocols IEC 61850 Ed. 1 and Ed. 2, DNP 3.0, Modbus RTU/TCP, IEC 60870-5-104 Ethernet Functions PRP, HSR, RSTP support with redundant Ethernet options Time Synchronization IEEE 1588 PTP, IRIG-B, SNTP Display Interface Integrated full color display with bay visualization functions Industrial Control Platform Communication Characteristics The T60 incorporates GE Multilin UR platform architecture with modular hardware expansion and configurable I/O scaling. The system supports deterministic network communication functions through IEC 61850 services, including GOOSE messaging and sampled value processing. Firmware flash compatibility within the UR hardware platform supports controlled software maintenance procedures while maintaining configured protection settings. The relay architecture supports programmable logic, modular contact expansion, and high-density I/O configurations. Backplane bus communication velocity and hardware resource allocation are managed according to the UR platform design for protection processing and signal exchange between internal modules. Frequently Asked Questions Q: Does the T60 support modular CT and VT input expansion?A: Yes. The T60 hardware architecture supports modular input configurations with up to 24 CT inputs and 6 VT inputs according to the selected hardware arrangement. Q: What communication interfaces are available for substation integration?A: The T60 supports IEC 61850 Ed. 1 and Ed. 2, GOOSE, sampled values, DNP 3.0, Modbus RTU/TCP, and IEC 60870-5-104 communication protocols. Q: What power supply ranges are supported by the relay?A: The T60 supports high range power supplies of 110-250 V DC / 110-240 V AC and low range power supplies of 24-48 V DC. Field Installation Guidelines Install the T60 in a suitable protective relay panel with proper mechanical support and access for wiring inspection. CT and VT circuits should use dedicated terminal connections with correct polarity identification and separation from high-energy conductors. Communication wiring should follow industrial shielding practices. Cable shields should be terminated according to the substation grounding design to reduce electromagnetic interference. Ethernet connections should maintain separation from power wiring and follow the selected redundancy topology requirements. Before energization, verify auxiliary power wiring, CT shorting provisions, VT isolation points, trip output circuits, and digital input assignments. Confirm protection settings, logic configuration, and communication parameters before placing the relay into service.
$200.00 $100.00
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General Electric GE Multilin C30 Controller Management Relay
GE Multilin C30 Controller Management Relay Configured for substation bay control and power system management in Universal Relay (UR) platforms, the GE Multilin C30 (C30 Controller Management Relay) provides direct physical and electrical execution of breaker control, monitoring, protection logic, and IEC 61850 communication functions. Hardware Specifications Parameter Specification Model C30 Brand GE Multilin Origin General Electric Universal Relay (UR) Series Operating Temp -40 deg C to +60 deg C Power Supply 24-48 V DC or 88-300 V DC / 88-264 V AC Current Inputs CT inputs: 1 A or 5 A secondary, dual CT rated, 1x to 40x nominal range Voltage Inputs VT inputs configurable from 50 V to 240 V AC secondary Digital Inputs Modular inputs with configurable threshold voltage from 24 V DC to 250 V DC Output Relays Form A, Form C, high-speed Form A trip outputs Analog I/O Optional 4-20 mA DC inputs and outputs Communication Ports Up to 3 redundant Ethernet ports, RS232, USB Ethernet Interface 100Base-TX RJ45 or 100Base-FX fiber optic ST/LC connectors Protection Functions 50P/51P, 50N/51N, 27/59, 81U/81O, 50BF, 25, 79 Protection Accuracy Voltage and current metering Class 0.2; power and energy metering better than 0.5% Profinet / EtherNet-IP Deterministic Networks and Firmware Compatibility The GE Multilin C30 integrates programmable control through the FlexLogic engine and supports deterministic communication architectures through IEC 61850, DNP 3.0, Modbus, and IEC 60870 protocols. The controller executes configurable interlock sequences, breaker failure logic, autoreclose routines, and bay switching operations without requiring an external PLC. The Ethernet communication subsystem supports redundant network configurations with IEC 61850 Edition 1 and Edition 2 station bus and process bus operation. GOOSE messaging provides high-speed peer-to-peer signal exchange for breaker control and substation automation applications. The relay firmware environment supports configurable protection logic, event recording, oscillography, and communication parameter management. Firmware compatibility shall be verified against the installed hardware revision and application configuration before upgrade procedures. Frequently Asked Questions Q: Does the GE Multilin C30 support hot-swap replacement of hardware modules?A: The C30 modular architecture allows field replacement of supported hardware modules according to GE Multilin maintenance procedures. Hot-swap capability depends on the installed module type and system configuration. Q: What communication protocols are supported by the C30 relay?A: The relay supports IEC 61850 GOOSE and MMS, DNP 3.0 serial and TCP/IP, Modbus RTU, Modbus TCP, IEC 60870-5-103, IEC 60870-5-104, IEEE 1588 PTP, and SNTP time synchronization. Q: What are the available power supply ranges for the C30?A: Available power supply options include 24-48 V DC and high-range supplies rated for 88-300 V DC or 88-264 V AC. Field Installation Guidelines Install the relay in a standard 19-inch rack enclosure with sufficient clearance for rear wiring and communication connections. Connect CT and VT circuits according to the approved protection system wiring diagram and verify polarity before commissioning. Separate low-level communication wiring from high-current power conductors to reduce electrical interference. Apply shield grounding practices according to the site EMC requirements, with cable shields terminated using approved grounding methods. Verify Ethernet fiber or copper connections for correct connector type, network topology, and communication parameters. Confirm digital input voltage thresholds before connecting external control circuits. Check auxiliary power polarity and grounding before energizing the relay. Validate protection settings, FlexLogic equations, and communication mapping before placing the relay into service.
$200.00 $100.00
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General Electric GE Multilin M60 Motor Protection Relay
GE Multilin M60 Motor Protection Relay The GE Multilin M60, also cataloged as the M60 Motor Protection Relay, operates as a dedicated hardware component for three-phase motor protection, control logic execution, and electrical measurement within GE Multilin Universal Relay (UR) platforms. Hardware Specifications Parameter Specification Model GE Multilin M60 Brand GE Multilin Origin GE Multilin Universal Relay (UR) Platform Operating Temp -40 deg C to +60 deg C Target Application Medium-to-large three-phase induction and synchronous motors Current Inputs 1 A or 5 A secondary CT inputs Voltage Inputs 0-240 V AC nominal VT inputs Control Power Supply HI: 110-250 VDC / 110-240 VAC; LO: 24-48 VDC RTD Inputs Up to 12 configurable RTD inputs Digital I/O Modular UR I/O expansion with Form-A, Form-C, Fast Form-C, and Latch outputs Communication Protocols IEC 61850, Modbus RTU, Modbus TCP/IP, DNP 3.0, IEC 60870-5-104 Network Interfaces 10/100Base-T RJ45, 100Base-FX fiber, RS232, RS422, RS485, G.703, C37.94 Mounting 19-inch rack mount or panel mount Deterministic Network and Firmware Compatibility The GE Multilin M60 integrates industrial communication functions through the Universal Relay (UR) architecture. The relay supports Profinet / EtherNet-IP style deterministic network concepts through high-speed Ethernet communication design, although the listed protocols include IEC 61850, Modbus, DNP 3.0, and IEC 60870-5-104. The modular hardware platform supports firmware flash compatibility within the approved UR device configuration environment. Ethernet interfaces support PRP, HSR, and RSTP network redundancy functions. The M60 provides direct exchange of protection and control data between UR devices through Direct I/O communication. IEEE 1588 time synchronization support enables coordinated event records and disturbance analysis. The relay stores motor operating data, including motor starting characteristics for the last 250 starts and configurable waveform capture records. Frequently Asked Questions Q: Does the M60 support hot-swap replacement of internal modules?A: The M60 uses a modular UR hardware architecture. Module replacement procedures must follow GE Multilin maintenance documentation and approved isolation procedures. Hot-swap capability depends on the specific installed module type. Q: What type of current transformer inputs are supported by the M60?A: The M60 supports configurable 1 A or 5 A secondary CT inputs through the installed hardware configuration. Q: How does the M60 process motor thermal conditions?A: The relay uses a thermal model that calculates motor heating conditions using current measurements, current unbalance factors, ambient temperature compensation, and optional RTD inputs. Field Installation Guidelines Install the relay in a suitable panel or 19-inch rack assembly according to the mechanical installation requirements of the selected enclosure. Maintain separation between CT wiring, VT wiring, communication cables, and high-voltage power conductors to reduce electrical interference. Connect cable shields according to the site grounding standard and avoid multiple unintended grounding paths. Verify CT polarity and phase sequence before energizing protection functions. Confirm VT input wiring and frequency settings before applying voltage measurements. Configure communication parameters, network addresses, and protection settings before placing the relay into service. Verify firmware compatibility before performing any software update procedure.
$200.00 $100.00
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General Electric GE Multilin D25 Substation Controller
GE Multilin D25 Substation Controller The GE Multilin D25, also cataloged as the D25 Substation Automation Controller, operates as a dedicated hardware component for data concentration, automation logic execution, and electrical monitoring within substation control network platforms. Hardware Specifications Parameter Specification Model D25 Brand GE Multilin Dimensions 19-inch rack-mount modular industrial chassis Device Classification Substation Automation Controller / Multi-Function IED Processor & OS 32-bit RISC architecture with QNX real-time operating system Internal Memory 64 MB DRAM, 32 MB Flash Memory Digital Inputs Up to 128 configurable status inputs with wetting voltage selection and chatter filtering Digital Outputs Up to 64 control outputs including trip/close control pairs DC Analog Inputs Up to 32 inputs Analog Outputs Up to 16 outputs AC Measurement Inputs Direct 1 A or 5 A CT inputs and VT inputs Communication Ports Dual redundant Ethernet 10/100 Mbps, RS-232/RS-485 serial, fiber optic interfaces, modem options Supported Protocols IEC 61850 GOOSE and Server, DNP3, Modbus RTU/TCP, IEC 60870-5-101/103/104, SPABus, Courier Fault Recording Up to 16 MB local storage, waveform records in COMTRADE format Time Synchronization IRIG-B, SNTP/NTP over Ethernet, protocol-based synchronization Display Options Optional Data Display Panel (DDP) or Graphical Display Panel (GDP) Ethernet Communication and Firmware Flash Compatibility The GE Multilin D25 uses modular industrial communication resources for substation data exchange, including dual redundant Ethernet interfaces and serial communication channels. The controller supports firmware storage through internal flash memory and maintains compatibility with configured application functions, communication drivers, and LogicLinx soft logic execution environments. Network configuration includes protocol handling for IEC 61850 messaging, DNP3, and Modbus communication between field devices, protection relays, and SCADA systems. The D25 supports deterministic data transfer behavior through configured communication paths, allowing status acquisition, control commands, and event records to be processed within defined substation automation architectures. Firmware management requires compatibility verification between installed hardware configuration, application software, and communication modules. Frequently Asked Questions (FAQ) Q: Does the D25 support hot-swap replacement of internal modules?A: The D25 is a modular rack-mounted controller. Hot-swap capability depends on the installed hardware configuration and module type. Replacement procedures must follow the applicable GE Multilin service documentation. Q: What type of fault records can the D25 store?A: The D25 stores digital fault records with waveform oscillography in COMTRADE format and sequence-of-events information for substation analysis. Q: How does the D25 synchronize time for event recording?A: The controller supports IRIG-B input, SNTP/NTP over Ethernet, and protocol-based time synchronization methods for event timestamp alignment. Field Installation Guidelines Install the D25 in a suitable 19-inch rack enclosure with appropriate mechanical support and ventilation clearance according to the equipment installation requirements. Use shielded communication cables for serial and Ethernet-connected field devices where required by the site grounding practice. Terminate cable shields according to the substation grounding design to reduce electromagnetic interference. Separate low-level analog signal wiring from high-current power conductors and switching circuits. Verify CT and VT wiring polarity, terminal assignment, and insulation conditions before energizing measurement circuits. Confirm communication addressing, protocol parameters, and time synchronization settings before connecting the controller to the station network. Validate digital input states and output control circuits during commissioning using approved test procedures.
$200.00 $100.00
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General Electric GE Multilin 239-AN Motor Protection Relay
GE Multilin 239-AN Motor Protection Relay Configured for three-phase AC induction motor protection and analog telemetry execution in GE Multilin 239 Motor Protection Relay platforms, the GE Multilin 239-AN (239-AN Motor Protection Relay) provides direct physical/electrical execution. Hardware Specifications Parameter Specification Model GE Multilin 239-AN Brand GE Multilin Weight 5 lbs Dimensions 1/4 DIN standard panel mount footprint Operating Temp -20 deg C to +60 deg C Power Consumption Max 10 VA AC / 10 W DC Control Power Supply 90-300 VDC / 70-265 VAC or 20-60 VDC / 20-48 VAC depending on model Phase Current Inputs 1 A or 5 A CT secondary, field configurable Analog Output 4-20 mA or 0-1 mA DC programmable output Communication Port RS485 serial interface Communication Protocol Modbus RTU / GE Multilin protocol Relay Outputs Assignable Form-C (SPDT) relays Relay Contact Rating 8 A continuous at 250 VAC / 30 VDC Frequency Range 20 to 70 Hz Display Interface LCD display with status and trip LEDs Mounting Type Panel mount GE Multilin Industrial Control Communication Features The GE Multilin 239-AN integrates motor protection measurement with PLC/DCS interface functions through an isolated RS485 communication channel and programmable analog output. The 4-20 mA or 0-1 mA signal output can transmit thermal capacity used, motor load current, and related operating values for external monitoring systems. The relay supports deterministic serial communication through Modbus RTU protocol and GE Multilin communication protocol. The module includes a 36 VDC isolated active source communication interface with configurable baud rates from 1200 to 12k bps. The firmware-controlled protection platform performs thermal modeling, current measurement, and trip logic processing. Functions include thermal overload protection with memory, short circuit detection, ground fault monitoring, phase loss detection, phase unbalance protection, locked rotor protection, undercurrent detection, and RTD or thermistor temperature input monitoring when equipped. Frequently Asked Questions Q: Does the GE Multilin 239-AN support hot-swap replacement during operation?A: The 239-AN is designed as a panel-mounted motor protection relay. Hot-swap operation is not specified. Replacement should be performed with the motor circuit and relay control power isolated according to site procedures. Q: What communication interface is available for PLC or DCS integration?A: The relay provides an isolated RS485 serial port supporting Modbus RTU and GE Multilin communication protocol. Q: How are motor current signals processed by the relay?A: The relay accepts 1 A or 5 A CT secondary inputs and performs RMS measurement, protection calculations, and thermal model processing. Field Installation Guidelines Install the GE Multilin 239-AN in a standard 1/4 DIN panel cut-out with adequate clearance for wiring access and maintenance. Verify that control power voltage matches the selected relay power supply range before energization. Use twisted shielded wiring for RS485 communication connections where required by the installation environment. Connect cable shields according to site grounding practices to reduce electrical noise coupling into low-level communication and measurement circuits. Route CT input wiring separately from high-voltage power conductors to minimize induced interference. Confirm CT polarity, secondary ratings, and grounding practices before commissioning the motor protection functions. Configure protection parameters, analog output scaling, communication address, and trip logic settings before placing the motor circuit into service. Verify relay input states and output contact operation through functional testing.
$200.00 $100.00
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General Electric GE Multilin F35 Feeder Management Relay
GE Multilin F35 Feeder Management Relay The GE Multilin F35, also cataloged as the F35 Feeder Management Relay, operates as a dedicated hardware component for distribution feeder protection, breaker control, and electrical fault detection within substation protection systems. Hardware Specifications Parameter Specification Model F35 Brand GE Multilin Operating Temp -40 deg C to +60 deg C Feeder Capacity Up to 6 feeders without bus voltage measurement; up to 5 feeders with busbar voltage measurement Protection Functions ANSI 50, 51, 27, 59, 81, 50BF, 79, TGDF/Wattmetric Firmware Flash Compatibility and Network Execution The GE Multilin F35 supports configurable protection logic execution through internal firmware functions. Firmware flash compatibility allows controlled feature updates and protection setting management within the relay platform. The device processes feeder protection algorithms including overcurrent, voltage, frequency, breaker failure, and autoreclosing functions for connected electrical circuits. Frequently Asked Questions (FAQ) Q: What protection elements are integrated into the F35 relay?A: The F35 integrates instantaneous and time overcurrent protection, voltage protection, frequency protection, breaker failure detection, autoreclosing, and directional ground fault protection functions. Q: How many feeders can the F35 manage in a protection configuration?A: The F35 can be configured for up to 6 feeder protection applications without bus voltage measurement or up to 5 feeders when busbar voltage measurement is included. Q: Does the F35 support automatic breaker control functions?A: The F35 includes a 4-shot autoreclosing function supporting up to 6 breakers and individual breaker failure detection for connected feeders. Field Installation Guidelines Install the F35 relay in a suitable protection panel or relay cabinet with appropriate mechanical support and environmental control. Verify CT and VT wiring polarity before commissioning protection functions. Maintain separation between low-level communication wiring and high-energy power conductors to reduce electrical interference. Use shielded signal wiring where required by the installation design. Connect cable shields according to site grounding practices and avoid multiple unintended grounding points. Confirm auxiliary power wiring, terminal assignments, and protective grounding connections before applying operating voltage. Verify firmware compatibility and protection settings before placing the relay into service.
$200.00 $100.00
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General Electric GE Multilin T35 Transformer Protection System
GE Multilin T35 Transformer Protection System The GE Multilin T35, also cataloged as the T35 Transformer Protection System, operates as a dedicated hardware component for transformer differential protection, backup protection, monitoring, and control within Universal Relay (UR) platforms. Hardware Specifications Parameter Specification Model GE Multilin T35 Brand GE Multilin Origin GE Multilin Universal Relay (UR) Series Operating Temp -40 deg C to +60 deg C Protection Functions 87T transformer differential, 87N REF, 50/51 overcurrent, 49 thermal overload, 27/59 voltage, 81O/81U frequency, 24 overexcitation Current Inputs Up to 6 CT inputs, 1 A or 5 A nominal Voltage Inputs Up to 3 VT inputs, 100-240 V AC nominal CT Withstand Capability 20 A continuous, 500 A for 1 second short-time Power Supply Options 110-250 V DC / 110-240 V AC or 24-48 V DC Ethernet Communication 10/100Base-T copper or 100Base-FX optical fiber Serial Communication RS485, RS232, RS422, G.703, C37.94 Communication Protocols IEC 61850, DNP 3.0, Modbus TCP/IP, Modbus RTU, IEC 60870-5-103/104 Digital I/O Configurable digital inputs, Form A/C relay outputs, Solid State Relay outputs Event Recording 1024 time-tagged events Oscillography Up to 64 samples per cycle GE Multilin UR Platform Communication and Control Features The GE Multilin T35 integrates with the Universal Relay (UR) backplane architecture using modular I/O, communication, and power supply configurations. The relay supports deterministic substation communication networks through IEC 61850 Edition 1 and Edition 2, Ethernet interfaces, and direct relay-to-relay data exchange. The T35 provides FlexLogic programmable control functions for custom protection schemes without external auxiliary relays. Firmware flash compatibility supports field configuration management through EnerVista UR engineering tools. The communication architecture supports IEEE 1588 time synchronization, PRP network redundancy, and embedded Ethernet switching options. Network configuration can include copper, fiber optic, and serial communication interfaces depending on installed hardware modules. Frequently Asked Questions Q: Does the T35 support transformer inrush detection?A: Yes. The relay applies second harmonic restraint for magnetizing inrush recognition and fifth harmonic restraint for overexcitation blocking. Q: What type of communication interfaces are available on the T35?A: The relay supports Ethernet, serial interfaces, and protocols including IEC 61850, DNP 3.0, Modbus TCP/IP, and Modbus RTU depending on the installed communication modules. Q: Can the T35 exchange protection signals directly with other UR relays?A: Yes. Direct I/O communication enables high-speed exchange of data between UR devices for applications such as direct transfer trip functions. Field Installation Guidelines Install the T35 in a suitable protection panel or relay rack with correct mechanical support and access clearance for wiring and maintenance. Connect CT secondary circuits using dedicated twisted wiring paths with appropriate terminal security. Maintain separation between current transformer circuits, voltage transformer circuits, communication cables, and high-energy switching conductors. Apply shield grounding practices according to the substation grounding design. Communication cable shields should be terminated according to the selected copper or fiber interface requirements. Verify auxiliary power supply polarity and voltage range before energization. Confirm CT polarity, phase compensation settings, grounding configuration, and protection element parameters during commissioning. Configure Ethernet network parameters, time synchronization sources, and IEC 61850 datasets after physical installation. Perform relay self-test verification and review event records before placing the protection system into service.
$200.00 $100.00
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General Electric GE Multilin G60 Generator Protection System
GE Multilin G60 Generator Protection System The GE Multilin G60, also cataloged as the G60 Generator Protection System, operates as a dedicated hardware component for generator protection, measurement, automation, and fault recording within Universal Relay (UR) platforms. The unit executes electrical protection functions through CT, VT, I/O, and communication interfaces. Hardware Specifications Parameter Specification Model G60 Brand GE Multilin Dimensions 19-inch rack mount, 4U height chassis Protection Functions Generator differential, stator earth fault, loss of field, volts per Hertz, reverse power, unbalanced current, distance, overcurrent, and frequency protection Nominal Frequency 50 Hz / 60 Hz, frequency tracking range 3 Hz to 90 Hz CT Secondary Inputs 1 A or 5 A nominal, software configurable per channel VT Secondary Inputs 50 V to 240 V AC nominal phase-to-neutral Power Supply Options HI Range: 88-300 VDC / 88-265 VAC; LO Range: 24-48 VDC Digital Inputs / Outputs Scalable modular I/O cards with Form A, Form C, and SSR outputs Analog Inputs Optional RTD module with Pt100, Ni100, Cu10 and 4-20 mA transducer inputs Communications Dual redundant Ethernet ports, 10/100Base-T RJ45 or 100Base-FX Fiber LC/ST Supported Protocols IEC 61850 Ed. 1 and Ed. 2, Modbus RTU/TCP, DNP 3.0, IEC 60870-5-104, IEEE 1588 Event and Fault Recording Oscillography up to 128 samples/cycle and Sequence of Events logging Profinet and EtherNet/IP Deterministic Networks The GE Multilin G60 uses modular industrial communication architecture with dual Ethernet interfaces for network integration. Communication services support IEC 61850, Modbus, DNP 3.0, IEC 60870-5-104, and IEEE 1588 time synchronization. The relay includes embedded synchrophasor measurement capability according to IEEE C37.118 and supports IEC 61850-90-5 synchrophasor multicast operation. The device supports PRP network redundancy according to IEC 62439-3 to maintain communication continuity. Ethernet configuration includes RJ45 copper and fiber interface options for substation and generator control network installations. Frequently Asked Questions Q: What type of current transformer inputs are supported by the G60?A: The G60 supports 1 A or 5 A nominal CT secondary inputs with software configuration available for each channel. Q: Does the G60 support hot-swap replacement of protection modules?A: The provided data does not specify hot-swap capability. Module replacement procedures must follow the GE Multilin installation manual and approved maintenance practices. Q: What communication protocols are available for system integration?A: The G60 supports IEC 61850 Ed. 1 and Ed. 2, Modbus RTU/TCP, DNP 3.0, IEC 60870-5-104, and IEEE 1588 time synchronization. Field Installation Guidelines Install the G60 in a compatible 19-inch rack or approved chassis arrangement with correct mechanical support. Verify CT and VT wiring polarity before energizing protection circuits. Use shielded communication and signal cables according to site grounding practices. Connect cable shields at the designated grounding points to reduce electromagnetic interference. Separate low-level analog signal wiring from high-current power conductors to limit induced noise. Confirm the selected power supply range before applying auxiliary voltage. Verify Ethernet fiber or copper communication connections, time synchronization wiring, and I/O terminal assignments during commissioning.
$200.00 $100.00
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General Electric GE Multilin L90 Line Current Differential Protection System
GE Multilin L90 Line Current Differential Protection System Configured for high-speed line current differential protection in GE Universal Relay (UR) platforms, the GE Multilin L90 (L90 Line Current Differential Protection System) provides direct physical/electrical execution. The relay performs synchronized current vector exchange, protection logic processing, control output operation, and substation communication functions for transmission and sub-transmission line applications. Hardware Specifications Parameter Specification Model GE Multilin L90 Brand GE Multilin Origin Canada Dimensions 19-inch rack mount chassis, 4RU height; 1/2 rack or full rack width options Operating Temp -40 deg C to +60 deg C AC Current Inputs 1 A or 5 A nominal CT inputs; burden less than 0.2 VA at nominal current AC Voltage Inputs 50 V to 240 V nominal phase-to-neutral; burden less than 0.15 VA at 120 V Frequency 50 Hz or 60 Hz nominal; operating range 20 Hz to 65 Hz Control Power Supply 88 VDC to 300 VDC or 88 VAC to 265 VAC; optional 24 VDC to 48 VDC Digital Inputs Opto-isolated inputs with programmable voltage range Output Relays Form-A and Form-C dry contacts; fast solid-state output options A/D Conversion 64 samples per cycle, 16-bit resolution Communication Interfaces Direct fiber, C37.94, G.703, RS422, Ethernet, IEC 61850, DNP3, Modbus TCP/RTU Deterministic Industrial Communication and Control Interfaces The GE Multilin L90 supports deterministic network communication through Ethernet and serial interfaces for protection data exchange and substation automation. The relay supports IEC 61850 Edition 1 and Edition 2, GOOSE messaging, MMS services, DNP3, Modbus TCP/RTU, and IEC 60870-5-104 protocols. The Universal Relay platform architecture supports backplane bus communication velocity licensing, Profinet / EtherNet-IP deterministic network concepts, I/O density scaling, and firmware flash compatibility management across compatible hardware configurations. The L90 uses synchronized sampling and communication channel compensation to maintain differential protection calculations during line fault conditions. Frequently Asked Questions Q: Does the L90 support multi-terminal line protection configurations?A: Yes. The L90 supports two-terminal and three-terminal line configurations with current differential protection channel communication between relay locations. Q: What communication media are available for 87L current differential channels?A: Supported media include direct fiber optic connections, C37.94, G.703, and RS422 interfaces depending on the installed communication module configuration. Q: Can the L90 execute breaker control functions without an external PLC?A: Yes. The relay includes FlexLogic programmable logic for internal control sequences, breaker failure logic, synchrocheck, and autoreclosing functions. Field Installation Guidelines Install the L90 in a suitable protective relay panel or rack enclosure with correct mechanical support for the selected rack configuration. Maintain separation between CT/VT wiring, control wiring, and communication cables to reduce electrical interference. Terminate current transformer circuits according to protection engineering practices, maintaining correct polarity and phase identification. Use shielded communication cables where applicable and connect cable shields according to site grounding standards. Verify fiber optic connections, Ethernet port assignments, time synchronization inputs, and communication channel settings before commissioning. Confirm relay firmware compatibility with the installed hardware modules before performing configuration updates.
$200.00 $100.00
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General Electric GE L30 Line Current Differential System
GE L30 Line Current Differential System The GE Multilin L30, also cataloged as the L30 Line Current Differential Relay, operates as a dedicated hardware component for phase-segregated current differential protection and high-speed fault clearance within GE UR (Universal Relay) protection platforms. Hardware Specifications Parameter Specification Model L30 Brand GE Multilin Origin GE UR (Universal Relay) Series Operating Temp -40 deg C to +60 deg C Protection Function Line current differential protection (87L) Protection Elements Distance protection (21/21N), overcurrent protection, voltage protection CT Input Configurable 1 A / 5 A CT secondary VT Input 100-240 V AC VT secondary Communication Interfaces Fiber optic, G.703, C37.94, Ethernet Network Protocols IEC 61850 Ed. 1/2, DNP 3.0, Modbus RTU/TCP/IP, IEC 60870-5-104 Ethernet Support 100Base-FX, 100Base-TX, PRP/HSR Power Supply Options 110-250 V DC / 110-240 V AC or 24-48 V DC Enclosure Rating IP40 front panel, IP20 rear chassis Profinet / EtherNet-IP Deterministic Network and Firmware Compatibility The GE Multilin L30 integrates high-speed relay processing with modular communication and control resources within the UR hardware architecture. The device supports deterministic Ethernet-based protection communication through IEC 61850 MMS and GOOSE messaging, with redundant Ethernet options for network topology requirements. The relay firmware structure supports configuration management through standardized settings files and maintains compatibility with UR family engineering tools. Internal processing handles line differential calculations, synchrophasor measurement, disturbance recording, and protection logic execution within the relay processor environment. Frequently Asked Questions Q: Does the L30 support multi-terminal line differential protection configurations?A: Yes. The L30 supports phase-segregated line differential protection for up to three terminals with communication channel supervision and direct transfer tripping functions. Q: What CT and VT signal interfaces are supported by the hardware?A: The relay supports configurable CT modules with 1 A or 5 A secondary inputs and VT inputs rated for 100-240 V AC secondary signals. Q: What communication protocols are available for integration with protection networks?A: The L30 supports IEC 61850 Edition 1 and Edition 2, GOOSE, MMS, DNP 3.0, Modbus RTU/TCP/IP, IEC 60870-5-104, and IEEE 1588 PTP synchronization. Field Installation Guidelines Install the L30 relay in a compatible UR rack environment with correct mechanical mounting and rear terminal connection alignment. CT and VT wiring should follow protection engineering practices, including separate routing from high-voltage conductors and appropriate shielding for low-level measurement circuits. Fiber optic communication connections should maintain correct optical interface matching between relay terminals. Ethernet and serial communication wiring should be installed according to network grounding and shielding requirements. Verify control power polarity and voltage range before energizing the relay. Digital input wiring should maintain electrical isolation requirements, and output contact circuits should be connected according to the assigned protection scheme.
$200.00 $100.00
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General Electric GE Multilin UR9UH UR-9UH CPU Module
GE Multilin UR9UH UR-9UH CPU Module The GE Multilin UR-9UH, also cataloged as the UR-9UH CPU Module, operates as a dedicated hardware component for real-time protection processing, logic execution, data acquisition, and communication management within the GE Multilin Universal Relay UR platform. Hardware Specifications Parameter Specification Model UR-9UH Brand GE Multilin / GE Grid Solutions Origin United States Operating Temp -40 deg C to +60 deg C Module Type High-performance CPU / Main Processor Board Compatible Platform GE Multilin Universal Relay UR Family Installation Slot Slot A main control CPU slot Ethernet Interface RJ45 10/100 Base-T Serial Interface RS232 / RS485 Supported Protocols Modbus RTU/TCP, DNP 3.0, IEC 61850, IEC 60870-5-104 Time Synchronization IRIG-B, IEEE 1588 PTP, SNTP Storage Temperature -40 deg C to +85 deg C Relative Humidity 5% to 95% non-condensing Deterministic Network Processing and Firmware Compatibility The UR-9UH CPU module manages execution of protection algorithms, control logic, metering functions, and event processing within the Universal Relay architecture. The processor communicates through the UR chassis backplane bus, supporting high-speed internal data exchange between protection, measurement, and I/O modules. The module supports Profinet / EtherNet-IP style deterministic network design principles through industrial communication interfaces where applicable. Backplane bus communication velocity and firmware flash compatibility must match the installed UR relay configuration to maintain module interoperability and system operation. Integrated diagnostics provide hardware self-testing, health monitoring, and non-volatile event recording functions. Communication services support IEC 61850 GOOSE messaging, client/server communication, SCADA protocols, and sequence-of-events timestamp processing. Frequently Asked Questions (FAQ) Q: What chassis position is required for the UR-9UH CPU module?A: The UR-9UH is installed in Slot A of the GE Multilin Universal Relay chassis and functions as the primary processing module. Q: Which communication interfaces are available on the UR-9UH?A: The module provides RJ45 Ethernet 10/100 Base-T connectivity and RS232 / RS485 serial communication interfaces. Q: Is firmware compatibility required when replacing a UR-9UH module?A: Yes. Firmware revision compatibility and relay configuration matching must be verified before installation to ensure proper CPU operation and communication functions. Field Installation Guidelines Install the UR-9UH only in the designated Slot A CPU position of the compatible Universal Relay chassis. Verify chassis power isolation before module insertion or removal. Maintain proper grounding practices for the relay enclosure and communication cable shields. Route Ethernet and serial communication wiring separately from high-voltage power conductors to reduce electromagnetic interference. Confirm that installed firmware, relay configuration files, and communication parameters match the existing system setup before returning the relay to service. Follow manufacturer procedures for module replacement, diagnostics verification, and functional testing.
$200.00 $100.00
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General Electric GE Multilin UR6LH UR-6LH Digital I/O and Control Module
GE Multilin UR6LH UR-6LH Digital I/O and Control Module Configured for digital contact acquisition and relay output execution in General Electric Multilin Universal Relay platforms, the GE Multilin UR-6LH (UR6LH Digital I/O and Control Module) provides direct physical/electrical execution for protection and control circuits. Hardware Specifications Parameter Specification Model UR6LH / UR-6LH Brand General Electric Multilin Origin USA Weight 2 lb Dimensions 15 cm L x 18 cm W x 4 cm H Operating Temp -40 deg C to +60 deg C Power Consumption Module power supplied through UR chassis backplane; exact consumption depends on relay configuration Series Universal Relay (UR) Platform Module Type Digital I/O and Control Module Input Channels High-density digital contact inputs Output Channels High-speed electromechanical relay outputs Input Voltage Range 24 to 250 VDC / 110 to 230 VAC configurable threshold options Contact Output Rating 30 A make for 0.2 s, 8 A continuous at 250 VAC / 30 VDC Communication Protocols IEC 61850, Modbus RTU/TCP, DNP 3.0 via UR CPU/Mainframe Software Interface EnerVista UR Profinet / EtherNet-IP Deterministic Networks and Industrial Control Integration The UR6LH module operates as a plug-in I/O component within the GE Multilin Universal Relay architecture. The module interfaces with the relay CPU through the internal chassis backplane and transfers digital status information for trip logic, interlocking, and control sequences. The module design supports industrial control requirements through high-density contact inputs, relay output switching, optical isolation, and continuous self-diagnostic monitoring. The hardware architecture allows integration into GE Multilin protective relay systems including C60, L90, T60, and B30 configurations. Firmware flash compatibility and configuration management are handled through the EnerVista UR software environment. Module operation depends on the installed UR firmware revision and host relay configuration. Frequently Asked Questions Q: Is the UR6LH module designed for hot-swap installation?A: The UR6LH is a modular plug-in card designed for GE Multilin UR chassis installation. Hot-swap operation depends on the specific UR relay model, chassis configuration, and applicable maintenance procedure. Q: How are field signals isolated from internal relay processing circuits?A: The module uses optical isolation methods to separate external contact circuits from internal processing electronics and reduce the effects of EMI and transient disturbances. Q: Which communication functions are provided directly by the UR6LH module?A: The UR6LH provides physical digital I/O functions. Network communication protocols such as IEC 61850, Modbus RTU/TCP, and DNP 3.0 are handled through the UR CPU and mainframe system. Field Installation Guidelines Install the UR6LH module only in compatible GE Multilin Universal Relay chassis slots. Verify chassis power isolation before insertion or removal of the plug-in card. Connect field wiring according to the relay terminal assignment documentation. Separate low-level signal wiring from high-energy switching conductors to reduce electrical interference. Maintain proper shield termination and grounding practices for installed control cables. Confirm contact input voltage compatibility and relay output load requirements before energizing field circuits. After installation, verify module recognition, I/O status indication, and diagnostic information through the EnerVista UR software interface.
$200.00 $100.00
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General Electric GE Multilin UR5DH UR-5DH Transducer I/O Module
GE Multilin UR5DH UR-5DH Transducer I/O Module The GE Multilin UR-5DH, also cataloged as the UR-5DH Transducer I/O Module, operates as a dedicated hardware component for RTD temperature acquisition and DC milliamp signal transmission within GE Universal Relay (UR) Series protection platforms. Hardware Specifications Parameter Specification Model UR-5DH Brand General Electric (GE Multilin / GE Grid Solutions) Dimensions Fits GE Universal Relay 19-inch 4U/8U chassis expansion slots Product Type Transducer I/O Expansion Module Series Universal Relay (UR) Series RTD Inputs 4 channels Supported RTD Types 100 Ohm Platinum (Pt100), 120 Ohm Nickel (Ni120), 100 Ohm Nickel (Ni100), 10 Ohm Copper (Cu10) DC mA Outputs 4 channels DC mA Output Range Programmable 0-1 mA, 0-5 mA, 0-10 mA, 0-20 mA, 4-20 mA Isolation Galvanic / optical isolation per channel and system ground Mounting Method UR Series relay expansion slot installation Environmental Option Conformal coating available for harsh substation environments Deterministic Network and I/O Scaling Characteristics The UR-5DH module provides programmable transducer processing within the GE Universal Relay architecture. The four RTD input channels acquire resistance values directly from field temperature sensors connected to transformer windings, motor stators, bearing assemblies, or ambient measurement points. The four DC milliamp outputs convert internal relay measurements into proportional analog signals for connection to legacy SCADA systems, RTUs, DCS input cards, or panel instrumentation. The module supports configurable output scaling through GE EnerVista UR Setup software. The module architecture supports I/O density scaling within the UR relay platform by adding dedicated analog acquisition and output channels without external signal conversion hardware. Frequently Asked Questions Q: Does the UR-5DH require external RTD transmitters for temperature measurement?A: No. The module accepts direct RTD resistance inputs from compatible field sensors and transfers the measured values into the relay thermal monitoring functions. Q: Are the DC milliamp outputs electrically isolated?A: Yes. The module provides galvanic and optical isolation between channels and the system ground according to the module design specifications. Q: Can the analog outputs be configured for different current ranges?A: Yes. The DC milliamp outputs are programmable for ranges including 0-1 mA, 0-5 mA, 0-10 mA, 0-20 mA, and 4-20 mA. Field Installation Guidelines Install the UR-5DH module into the designated expansion slot of the GE Universal Relay chassis while observing the relay installation procedure. RTD field wiring should use appropriate instrumentation cable routing practices. Keep sensor wiring separated from high-current power conductors to reduce electromagnetic interference. Shielded cable termination should follow the grounding requirements defined for the connected relay system. Verify terminal connections for RTD polarity, sensor type configuration, and output loop wiring before energizing the module. Configure RTD parameters and analog output scaling through EnerVista UR Setup software after hardware installation.
$200.00 $100.00
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General Electric GE UR6MH UR-6MH Universal Relay Chassis Module
GE UR6MH UR-6MH Universal Relay Chassis Module The GE Multilin UR6MH, also cataloged as the UR6MH Universal Relay Chassis Module, operates as a dedicated hardware component for modular protection relay assembly within the GE Multilin Universal Relay (UR) platform. Hardware Specifications Parameter Specification Model UR6MH Brand GE Grid Solutions / GE Multilin Operating Temp -40 deg C to +60 deg C Power Consumption Dependent on installed UR modules Product Series Universal Relay (UR) Family Chassis Configuration 6-Slot Horizontal Frame Mounting Style 19-Inch Rack Mount / Surface Panel Mount Storage Temperature -40 deg C to +85 deg C Ambient Humidity 5% to 95% non-condensing Ingress Protection Rating IP40 front panel, IP20 rear terminals Dielectric Withstand 2.0 kV RMS for 1 minute (IEC 60255-5) Vibration / Shock Compliance IEC 60255-21-1 / IEC 60255-21-2 Profinet / EtherNet-IP Deterministic Network and Backplane Communication The UR6MH provides the mechanical chassis and internal backplane structure for GE Multilin Universal Relay configurations. The 6-slot horizontal frame supports installation of CPU modules, power supply units, CT/VT sampling assemblies, communication interfaces, and digital I/O modules. The internal backplane enables module-to-module data exchange and supports deterministic communication paths between processing, measurement, and control components. The chassis architecture allows I/O density scaling by adding compatible UR family modules while maintaining a standardized relay hardware arrangement. Frequently Asked Questions Q: Does the UR6MH operate as an independent protection relay processor?A: No. The UR6MH is a chassis assembly unit. Protection logic execution requires compatible GE Multilin UR processor and application modules installed within the chassis. Q: What is the hot-swap limitation of the UR6MH chassis?A: Hot-swap capability depends on the installed UR modules and system configuration. Module removal or insertion should follow GE Multilin service procedures and applicable operating requirements. Q: What determines the backplane current load of the UR6MH?A: The backplane load is determined by the installed combination of CPU, power supply, communication, CT/VT, and I/O modules. Field Installation Guidelines Install the UR6MH in a suitable control cabinet or relay panel using the specified rack or surface mounting arrangement. Maintain proper clearance for front access and rear terminal wiring. Use shielded wiring practices for signal connections where required by the installed relay modules. Cable routing should separate low-level measurement wiring from high-current power conductors to reduce electromagnetic interference. Verify chassis grounding, panel bonding, and protective earth connections before energizing the installed relay assembly. Confirm that all inserted modules are correctly seated in the backplane connectors and that unused slots are protected according to site maintenance procedures.
$200.00 $100.00
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