GE Multilin F650‑B‑F‑J‑F‑2‑G‑1‑HI‑E Product Description

The F650‑B‑F‑J‑F‑2‑G‑1‑HI‑E is a numerical feeder protection relay and bay controller from GE Multilin F650 series. It integrates power system protection, bay control, metering, fault recording and substation communication functions in one compact draw‑out unit. Designed for medium‑voltage power distribution systems, this device provides comprehensive ANSI‑standard protection elements, breaker control logic, high‑precision energy measurement and multi‑protocol data communication. With HI wide‑range auxiliary power supply, it ensures stable performance in substation and industrial power plant environments with fluctuating auxiliary power conditions.

Product Features

• All‑in‑one design: feeder protection, bay control, power metering, event logging and oscillography for power system management
• Complete ANSI/IEC protection elements for overcurrent, earth fault, overload, voltage and frequency abnormality protection
• Built‑in breaker control, auto‑reclosing, breaker failure protection and synchronism check functions
• HI wide‑range auxiliary power: supports 88‑300 VDC and 96‑250 VAC input for harsh substation power conditions
• Rich digital input and relay output channels for bay interlocking and signal collection
• Supports IEC 61850 Ed.2, GOOSE messaging, Modbus, IEC 60870‑5‑104 and other industrial communication protocols
• Waveform capture, fault event recording and sequence‑of‑events logging for post‑fault analysis
• Draw‑out modular construction for quick replacement and convenient on‑site maintenance
• Front‑panel HMI for local parameter viewing, setting and status indication

Application Scenarios

• Primary and backup protection for medium‑voltage distribution feeders in power substations
• Transformer bay control and protection in industrial power plants
• Busbar interlocking, bus transfer and load‑shedding control schemes
• Arc‑flash high‑speed fault detection for power distribution cabinets
• Distributed generation grid‑connection protection and anti‑islanding applications
• Large‑motor protection and control for heavy‑industry facilities
• Substation automation systems, interfacing with SCADA and DCS platforms

Frequently Asked Questions