GE SR489-P5-LO-A20-E Generator Management Relay Module
The GE SR489-P5-LO-A20-E is a high-performance generator management relay designed to provide advanced protection, control, and monitoring for industrial power generation systems. This module ensures reliable operation, enhanced safety, and precise control in demanding electrical environments.
Voltage Range:4-20 mA Analog Output
Control Power:20 to 60 VDC or 20 to 48 VAC at 48-62 Hz
Current Inputs:Five Ampere CT Secondaries
Isolation Voltage:36 Vpk (isolated with RTDs and analog inputs)
Digital Inputs:Configurable Assignable to Digital Inputs 1 to 7
Shipping Weight:7.7 kg or 17 lbs.
Trip and Alarm Protection:Built-in features include Trip and Alarm Protection, Metering, Breaker Failure, Flash Memory, Trip Coil Supervision, VT Fuse Failure Simulation
The GE SR489-P5-LO-A20-E is part of the GE Multilin family of relays, specifically designed for generator protection. This robust relay is equipped with a 40-character display, allowing users to easily monitor value messages, diagnostics, and setpoints. The front panel includes a numeric keypad and status indicators, making it user-friendly and easy to operate. Designed for harsh environments, the relay supports induction and synchronous generators and can operate at 25, 50, or 60 Hz. With its advanced phase overcurrent voltage restraint and programmable characteristics, this relay ensures reliable protection and efficient management of generators. The device is also fully drawout, providing additional safety and convenience during maintenance. Additionally, the 489-P5-LO-A20-E is compatible with various digital inputs, making it a versatile solution for industrial applications.











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