Overview

The GE Multilin F650 is an advanced feeder protection and bay control relay within GE’s Grid Solutions portfolio. Engineered for high-speed protection, automation, and system visibility, it safeguards distribution feeders and complex bay configurations such as ring-bus, double-breaker, and breaker-and-half schemes.

With a large LCD display, customizable single-line diagrams, and powerful communication capabilities, the F650 functions as both a protection relay and a bay controller. It supports load shedding, transfer schemes, programmable logic, and remote supervisory control, making it a versatile solution for modern utility substations and industrial power systems.

Technical Data

Key Features

• Full feeder protection suite with directional elements and reclosing.

• Flexible bay control for complex breaker configurations.

• Supports advanced automation: load shedding, transfers, configurable logic.

• Built-in monitoring tools: oscillography, event logs, SOE.

• Modern communication capabilities including IEC 61850 and legacy protocols.

• User-friendly interface with large LCD and customizable mimic diagrams.

Application

The GE Multilin F650 is used in protection and automation systems where coordinated, high-speed operation is essential. Typical uses include:

• Feeder protection in utility distribution substations.

• Bay control for complex switching schemes (ring-bus, double-breaker, breaker-and-half).

• Industrial power systems requiring reliable feeder protection and control.

• Integration into SCADA/EMS/DMS systems via IEC 61850, Modbus, or DNP3.

• Automation schemes such as load shedding, bus transfer, and interlocking.

Typical Applications

• Distribution feeders in utility substations.

• Industrial electrical networks requiring robust protection.

• Multi-breaker and advanced bay configurations.

• Automated systems requiring load shedding and transfer control.

FAQ

Q1: What is the primary purpose of the F650?
It provides feeder protection and bay control to ensure reliable and coordinated operation of distribution systems.

Q2: Can the F650 integrate with modern SCADA systems?
Yes. It supports IEC 61850, Modbus, and DNP3, enabling seamless SCADA/EMS/DMS integration.

Q3: Does it support automation and logic functions?
Yes. It includes programmable logic, load shedding, transfer schemes, and advanced automation options.

Q4: Which industries typically use the F650?
Electric utilities, industrial plants, and any facility requiring advanced feeder protection and bay control.