GE Multilin F650BFEF2G0HIC Feeder Protection Relay The GE Multilin F650BFEF2G0HIC, also cataloged as the F650 Feeder Protection Relay, operates as a dedicated hardware...
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GE Multilin F650BFEF2G0HIC Feeder Protection Relay
The GE Multilin F650BFEF2G0HIC, also cataloged as the F650 Feeder Protection Relay, operates as a dedicated hardware component for feeder circuit protection, measurement, control, and communication within electrical distribution protection systems.
Hardware Specifications
Parameter
Specification
Model
F650BFEF2G0HIC
Brand
GE Multilin
Origin
GE Multilin F650 Series
Operating Temp
-20 deg C to +60 deg C
Power Consumption
< 25 W typical, < 45 VA
Power Supply
110-250 VDC / 110-230 VAC
Current Inputs
5 A nominal phase and neutral CT inputs, 50/60 Hz
Voltage Inputs
3 phase voltage inputs plus neutral/auxiliary voltage input
The GE Multilin F650BFEF2G0HIC incorporates programmable protection logic through the F650 platform FlexLogic engine. The relay processes current transformer and voltage transformer signals for feeder protection functions including phase overcurrent, ground fault detection, directional protection, breaker failure monitoring, and automatic reclosing sequences.
The communication architecture supports RS485 and Ethernet-based data exchange for integration with substation control networks. The relay supports deterministic protection data transfer through configured protocols including Modbus RTU, Modbus TCP/IP, IEC 60870-5-103, DNP 3.0, and optional IEC 61850 interfaces.
The hardware configuration includes 5 A CT measurement inputs, voltage measurement channels, isolated digital inputs, and configurable output contacts for breaker control and alarm circuits. The conformal-coated circuit board option provides additional protection for operation in environments requiring coated electronic assemblies.
Frequently Asked Questions
Q: What type of current transformer input does the F650BFEF2G0HIC support? A: The relay uses 5 A nominal phase and neutral current transformer inputs for feeder current measurement and protection calculations.
Q: Does the relay support Ethernet communication? A: Yes. The F650BFEF2G0HIC configuration includes Ethernet RJ45 communication capability with support for configured industrial protection protocols.
Q: What are the installation considerations for the conformal-coated hardware option? A: The conformal coating protects the circuit board assembly from environmental contaminants. Field wiring practices should maintain proper separation between power circuits, CT/VT signals, and communication wiring.
Field Installation Guidelines
Install the relay in a suitable protective enclosure with grounding and wiring practices compatible with substation protection equipment.
CT secondary wiring should use dedicated twisted pairs where applicable and maintain correct polarity from instrument transformers to relay terminals. VT wiring should be routed separately from high-current switching conductors to reduce electromagnetic interference.
Communication cables should maintain shield continuity according to site grounding requirements. RS485 networks should follow standard termination and biasing practices. Ethernet connections should use industrial-grade cabling suitable for the installation environment.
Before energizing the relay, verify auxiliary power polarity, CT circuit continuity, VT input levels, digital input contact states, and output relay wiring against the approved protection drawings.
