GE Fanuc SR750 Feeder Management Relay

Overview

The GE Fanuc SR750 is a feeder management relay designed for the protection, control, and metering of electrical distribution feeders. Part of the GE Multilin 750/760 series, the SR750 offers a versatile and cost-effective solution for power systems, including industrial, utility, and renewable energy applications. It integrates multiple functions—protection, control, and metering—into a single unit, streamlining system design and enhancing operational efficiency.

Technical Specifications

• Power Supply Range (Low):

  • DC: 20 to 60V
  • AC: 20 to 48V @ 48 to 62 Hz

• Power Supply Range (High):

  • DC: 88 to 300V
  • AC: 70 to 265V @ 48 to 62 Hz

• Phase Current Options:

  • 5A or 1A

• Ground Current Options:

  • 5A or 1A

• Sensitive Ground Current Options:

  • 5A or 1A

• Analog Output Options:

  • 0-1mA, 0-5mA, 0-10mA, 4-20mA

• Breaker Closed LED:

  • Red or Green

• Protection Functions:

  • Overcurrent
  • Ground fault
  • Directional overcurrent
  • Voltage
  • Frequency
  • Reclosing

• Control Functions:

  • Open/close circuit breaker operations
  • Local/remote control capability

• Metering:

  • Current
  • Voltage
  • Power
  • Energy
  • Power factor

• Monitoring:

  • Continuous health monitoring of the feeder and relay
  • Alarms and indication for abnormal conditions

• Communication:

  • Supports multiple communication protocols for substation automation integration