GE SR489-P5-HI-A20 – High Precision Generator Management Relay

Model:SR489-P5-HI-A20

Manufacturer:GE Multilin

Current Inputs:Analog Current Inputs Accuracy ±1% of full scale

Input Isolation:Isolation 36 Vpk (isolated with analog inputs and outputs)

Ingress Protection:IP40 Front, IP10 Back

Altitude:Maximum Altitude 2000 m

Overvoltage Category:II

RTD Inputs:Isolation 36 Vpk (isolated with RTDs and analog inputs)

Vibration Resistance:Sinusoidal Vibration Test Level Class 1

Phase Current Inputs:5 A

Sensor Supply:24 V DC at 20 mA max

Impedance:Time Delay 0.1 to 100.0 s in steps of 0.1

Negative Sequence Overcurrent Pickup Level:3 to 100% FLA in steps of 1

Shipping Weight:7.7 kg or 17 lbs.

    The GE SR489-P5-HI-A20 is a high-performance generator management relay specifically engineered for industrial control systems. It offers accurate monitoring and protection for generators, ensuring they operate reliably under challenging conditions. With its precise analog current inputs, this relay delivers ±1% accuracy of the full scale, ensuring consistent performance. Equipped with a robust fuse model and IP40/IP10 ingress protection ratings, it can withstand harsh environments up to 2000 meters in altitude. Its isolation capabilities up to 36 Vpk make it suitable for applications requiring stringent safety standards. The SR489-P5-HI-A20 supports various configuration options, including voltage phase reversal and sequential trip assignments, providing flexibility in setup and operation. With its comprehensive digital input and sensor supply capabilities, this relay ensures seamless integration with existing industrial systems. Designed for reliability, the SR489-P5-HI-A20 is fully drawout with automatic CT shorts, enhancing safety during maintenance and installation. Its advanced features and ease of use make it an indispensable tool for managing and protecting generators in industrial settings.