Description

GE Multilin F3500HCHF8FH6GM8FP6HCXXWXX Feeder Protection Relay

The GE Multilin F3500HCHF8FH6GM8FP6HCXXWXX, also cataloged as the F35 Feeder Protection Relay, operates as a dedicated hardware component for feeder protection, control, metering, and monitoring within Substation Automation Systems (SAS) and SCADA communication networks.

Hardware Specifications

Parameter	Specification
Model	F3500HCHF8FH6GM8FP6HCXXWXX
Brand	GE Multilin
Origin	GE Multilin Protection Relay Product Family
Dimensions	Standard 19-inch rack-mount chassis or drawout panel mount
Operating Temp	-40 deg C to +60 deg C
Power Consumption	Nominal < 20 W, maximum < 35 W during relay actuation
Protection Functions	ANSI 50P/51P, 50G/51G, 67P/67G, 27/59, 59N, 81O/81U, 50BF, 79
CT Inputs	Phase and ground CT inputs, 1 A / 5 A software selectable
VT Inputs	50 V to 240 V AC nominal phase-to-neutral, auto-ranging
Frequency Tracking	40 Hz to 70 Hz
Communication Protocols	IEC 61850 Edition 1 & 2, DNP 3.0, Modbus TCP/IP, Modbus RTU
Event Recording	Up to 1024 time-stamped events with 1 ms resolution
Waveform Capture	Up to 64 samples/cycle multi-channel oscillography
Front Panel Interface	Graphical LCD, programmable LED indicators, local control keys, RS232/USB maintenance port
Protection Coating	Conformal coating for industrial environments

Deterministic Industrial Communication and Firmware Compatibility

The GE Multilin F3500HCHF8FH6GM8FP6HCXXWXX incorporates Ethernet and serial communication interfaces for integration into protection and automation networks. The dual Ethernet interfaces support IEC 61850 Edition 1 and Edition 2, Modbus TCP/IP, and DNP 3.0 TCP communication. The RS485 serial interface supports Modbus RTU and DNP 3.0 protocols.

The relay architecture supports firmware flash compatibility for embedded protection logic updates and configuration management. Communication processing is coordinated with protection algorithms, event recording, waveform capture, and control functions without changing the physical CT/VT measurement circuits.

Frequently Asked Questions

Q: What CT input configurations are supported by the F3500HCHF8FH6GM8FP6HCXXWXX?
A: The relay supports phase and ground CT inputs with 1 A / 5 A secondary selection through software configuration. Sensitive ground fault CT input options are also available.

Q: Does the relay support IEC 61850 communication?
A: Yes. The relay supports IEC 61850 Edition 1 and Edition 2 through Ethernet communication interfaces, together with Modbus TCP/IP and DNP 3.0 TCP protocols.

Q: What type of mounting configuration is available for this relay?
A: The unit is configured for standard 19-inch rack mounting or drawout panel mounting according to the ordered hardware configuration.

Field Installation Guidelines

Install the relay in a protected control panel environment with adequate clearance for front-panel access and rear terminal wiring.

Terminate CT circuits using appropriate shorting provisions during maintenance activities. CT wiring should be routed separately from high-voltage conductors and high-current switching cables to reduce electromagnetic interference.

Connect VT input wiring with correct polarity and phase identification before energizing the relay. Communication cables should use proper shield termination practices, with shield grounding applied according to the substation grounding design.

Verify auxiliary power supply polarity and voltage range before commissioning. Confirm Ethernet, RS485, and protection I/O wiring against the approved engineering drawings before applying operational settings.

For panel installations, ensure mechanical fastening, terminal tightening, and enclosure grounding meet the site electrical installation requirements.

Specifications

• Brand: General Electric

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems