Overview
Configured for feeder protection and control in utility distribution networks, the GE F650BABF2G0HI (F650 Series Feeder Management Relay) provides direct physical and electrical execution of circuit supervision, digital input/output logic, and redundant serial and Ethernet communications.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | F650BABF2G0HI |
| Brand | GE – General Electric |
| Origin | Webster, NY USA |
| Weight | 8 lbs 14.4 oz (4.0 kg) |
| Dimensions | 9.3 in x 10.5 in x 7.3 in (23.5 cm x 26.7 cm x 18.4 cm) |
| Operating Voltage | 110-250 V DC / 120-230 V AC |
| Communication Ports | Rear Serial Comm – Redundant RS485, Rear Ethernet Comm – 10/100 BASE TX |
| I/O Configuration | Slot F: 8 Digital In / 8 Out / 2 Trip/Close Circuit Supervision Circuit |
| Mounting | 19″ Rack |
Firmware Flash Compatibility and Backplane Bus Performance
The F650 series integrates firmware flash compatibility protocols that govern the interaction between the main processor and the optional I/O expansion modules. Execution of logic and communication tasks is dependent on the installed firmware version and the backplane bus communication velocity licences. Variations in firmware revisions may affect the availability of specific protection curves or communication protocol stacks. The relay maintains deterministic performance when interfacing with GE UR series hardware over the rear Ethernet port, ensuring consistent data exchange rates under high network load conditions.
Frequently Asked Questions
Q: Does the F650BABF2G0HI support hot-swap insertion into a powered 19″ rack?
A: No. The unit must be fully de-energized before installation or removal to prevent damage to the rear connector pins and internal circuitry.
Q: What are the power consumption characteristics of this model?
A: Under nominal operating conditions with full I/O loading, the relay typically draws approximately 15 VA at 120 V AC or 12 W at 125 V DC. Verify actual site supply capacity against these values.
Q: Are the trip and close circuit supervision circuits galvanically isolated from the digital inputs?
A: Yes. The two trip/close supervision circuits operate independently and are electrically separated from the 8 digital input channels to prevent false operation due to ground potential differences.
Field Installation Guidelines
Mount the relay in a standard 19″ rack enclosure using the supplied hardware. Ensure proper torque application to all terminal connections, following the values specified in the official GE documentation. Route control wiring separately from high-voltage power conductors to minimize electromagnetic interference. Ground the relay chassis and shield drain wires at a single point to maintain signal integrity. Verify that the rear Ethernet and RS485 connectors are fully seated and locked prior to applying power.
