وصف

GE Multilin 369-HI-R-M-0-0-H-E Motor Protection Relay

The GE Multilin 369-HI-R-M-0-0-H-E, also cataloged as the 369 Motor Protection Relay, operates as a dedicated hardware component for AC motor protection, measurement, and control execution within industrial electrical protection networks.

Hardware Specifications

Parameter	Specification
Model	369-HI-R-M-0-0-H-E
Brand	GE Multilin
Weight	10.95 lbs
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, maximum 25 VA
Control Power Input	50-300 VDC or 60-265 VAC, 50/60 Hz
Protection Functions	Thermal overload, jam/stall, undercurrent, phase reversal, current unbalance, ground fault
Current Inputs	1 A or 5 A CT selectable
Voltage Inputs	50 to 240 VAC nominal
RTD Inputs	Up to 12 RTD inputs through external module integration
Analog Outputs	Configurable 4-20 mA or 0-1 mA outputs
Digital Inputs	Optically isolated programmable inputs
Relay Outputs	Form-C SPDT contacts, 10 A continuous at 250 VAC / 30 VDC
Communication Interfaces	Ethernet 10Base-T RJ45, Modbus TCP/IP, RS485 Modbus RTU, front RS232

Industrial Control and Communication Functions

The GE Multilin 369-HI-R-M-0-0-H-E integrates motor management functions with PLC and DCS communication systems through Ethernet and serial communication interfaces. The Ethernet option provides Modbus TCP/IP connectivity for supervisory monitoring and control networks. The relay supports deterministic data exchange for motor status, protection events, metering values, and diagnostic records.

The firmware architecture supports configuration storage, event recording, waveform capture, and maintenance diagnostics. The hardware platform includes communication ports for integration with engineering software and industrial control systems.

Frequently Asked Questions

Q: Does the 369-HI-R-M-0-0-H-E support hot-swap replacement?
A: The relay is designed as a panel-mounted protection device. Hot-swap operation is not specified. Power isolation and proper shutdown procedures are required before removal or replacement.

Q: What communication protocols are available on this model?
A: The unit provides Ethernet 10Base-T communication with Modbus TCP/IP, rear RS485 communication with Modbus RTU, and a front RS232 configuration interface.

Q: How are motor thermal and fault conditions recorded?
A: The relay stores trip records, alarm logs, motor start records, self-test events, and waveform capture data for diagnostic review.

Field Installation Guidelines

Install the relay in a suitable protective enclosure with wiring separation between power circuits, CT inputs, voltage sensing circuits, and communication cables.

Use shielded communication wiring where required by the installation environment. Terminate cable shields according to the control system grounding design to reduce electrical noise coupling.

Verify CT polarity, phase sequence, and voltage input wiring before energizing the relay. Confirm control power compatibility with the selected supply range.

For harsh environment installations, inspect the conformal coated electronic assembly condition and maintain enclosure protection against moisture, conductive dust, and corrosive contaminants.

Maintain appropriate clearance for rear terminal access and ensure terminal connections are mechanically secured before commissioning.

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