Description

GE Multilin F650BFBF1G0HIC F650 Feeder Protection Relay

The GE Multilin F650BFBF1G0HIC, also cataloged as the F650 Feeder Protection Relay, operates as a dedicated hardware component for feeder protection, bay control, and electrical fault monitoring within IEC 61850 substation automation networks.

Hardware Specifications

Parameter	Specification
Model	F650BFBF1G0HIC
Brand	GE Multilin
Product Type	Feeder Protection Relay
Series	Multilin F650 Feeder Protection System
Mounting Type	Panel Mount / Standard 19-inch Rack Mount
Rated Frequency	50 / 60 Hz selectable
CT Inputs	1 A / 5 A phase CT inputs, neutral CT input
VT Inputs	50 V - 240 V AC phase-to-neutral
Auxiliary Supply	110-250 V DC / 110-230 V AC high range
Communication Protocols	IEC 61850, Modbus RTU / TCP, DNP3.0, IEC 60870-5-103/104
Communication Interfaces	RS485, rear Ethernet RJ45 / fiber optic, front USB / RS232
Display Interface	Backlit graphical display with keypad and LED indicators
Protection Functions	50/51, 50N/51N, 50G/51G, 67/67N, 27, 59, 81U, 81O, 81R, 49, 46, 50BF
Control Functions	Circuit breaker open/close, autoreclose, synchronism check, programmable logic
Monitoring Functions	Metering, SOE records, fault records, waveform capture

Industrial Control Network Communication and Firmware Compatibility

The GE Multilin F650 platform uses industrial communication interfaces for substation automation and protection system integration. The relay supports IEC 61850 Ethernet communication, Modbus RTU/TCP, DNP3.0, and IEC 60870-5-103/104 protocols for data exchange with protection, SCADA, and control systems.

The F650 series architecture supports programmable logic execution, bay control functions, and firmware-based configuration management. Engineering verification should include communication mapping, firmware compatibility, and application configuration validation before integration into existing protection networks.

Frequently Asked Questions

Q: What electrical measurement inputs are available on the F650BFBF1G0HIC?
A: The relay accepts phase current transformer inputs rated for 1 A or 5 A secondary signals, neutral current input, and voltage transformer inputs from 50 V to 240 V AC phase-to-neutral.

Q: Which communication interfaces are supported by this relay model?
A: The F650BFBF1G0HIC supports RS485, rear Ethernet interfaces with RJ45 or fiber optic options, and front USB/RS232 connection interfaces.

Q: Does the relay provide breaker control and protection logic functions?
A: Yes. The unit provides circuit breaker open/close control, autoreclose functions, breaker failure protection, synchronism check, and programmable logic equations.

Field Installation Guidelines

Install the relay in a protected panel or standard rack enclosure according to the mechanical mounting requirements of the installation site.

Terminate CT and VT wiring using appropriate protection relay wiring practices. Maintain separation between instrument transformer circuits, communication cables, and high-energy power conductors to reduce electromagnetic interference.

Connect communication cable shields according to the site grounding design. Verify Ethernet, RS485, and serial communication wiring polarity before energizing the device.

Before commissioning, confirm auxiliary power voltage compatibility, verify CT polarity and phase sequence, test protection settings, and validate breaker control circuits through functional testing.

Specifications

• Brand: General Electric

Advantages

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