GE Multilin F650BFEF1G0HI Feeder Protection Relay Configured for feeder fault protection and measurement execution in substation automation networks, the GE Multilin...
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Description
GE Multilin F650BFEF1G0HI Feeder Protection Relay
Configured for feeder fault protection and measurement execution in substation automation networks, the GE Multilin F650BFEF1G0HI (F650 Feeder Protection Relay) provides direct physical and electrical execution for phase, ground, and sensitive ground current protection functions within distribution power systems.
Hardware Specifications
Parameter
Specification
Model
GE Multilin F650BFEF1G0HI
Brand
GE Multilin
Origin
GE Multilin F650 Series
Operating Temp
-20 deg C to +60 deg C
Power Consumption
Nominal < 15 W, Maximum < 30 W
Control Power Supply
110-250 VDC / 110-230 VAC
Operating Voltage Range
88-300 VDC / 88-264 VAC
Current Inputs
Phase and ground CT inputs, selectable 1 A or 5 A
Rated Frequency
50 Hz / 60 Hz configurable
Thermal Current Withstand
20 A continuous, 100 A for 10 s, 500 A for 1 s
Digital Inputs
Optically isolated configurable voltage threshold inputs
Output Contacts
Form C trip and alarm relay contacts
Break Capacity
30 A make for 0.2 s, 8 A continuous at 250 VAC / 30 VDC
The F650BFEF1G0HI integrates deterministic protection logic with Ethernet-based substation communication functions. The dual RJ45 communication interface supports redundant network connection methods using IEC 61850, Modbus TCP/IP, DNP 3.0, and IEC 60870-5-104 protocols.
The relay processes phase current, neutral current, and sensitive ground current measurements for ANSI protection functions including 50/51, 50N/51N, 50G/51G, 46, 79, 37, 27/59, 81U/81O, and breaker failure protection (50BF).
The high-density I/O configuration provides optically isolated digital inputs and Form C output relay contacts for breaker trip, alarm, and control circuits. The firmware supports configurable protection logic, event recording, waveform capture, and fault analysis data storage.
Frequently Asked Questions
Q: Does the F650BFEF1G0HI support hot-swappable module replacement? A: The available documentation does not specify hot-swap capability. Installation and replacement should be performed with the relay isolated from control power and external protection circuits.
Q: What current input levels are supported by the relay? A: The phase and ground current inputs support selectable nominal CT ratings of 1 A or 5 A.
Q: Which communication interfaces are available for system integration? A: The relay provides dual RJ45 Ethernet ports and a front RS232 / USB interface for local configuration and communication.
Field Installation Guidelines
Install the relay in a panel or rack location that maintains mechanical support and allows access to front configuration ports.
Verify CT polarity, phase sequence, and secondary wiring before energizing protection circuits.
Use shielded communication cables for Ethernet and serial connections where required by the substation grounding design.
Terminate cable shields according to site grounding practices to reduce electrical interference.
Separate low-level communication wiring from high-voltage breaker control and power conductors.
Confirm auxiliary supply voltage compatibility before applying control power.
Verify protection settings, input assignments, and output relay logic through the configuration software before placing the relay into service.
