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

Analog Current Inputs:Accuracy ±1% of full scale

Fuse Model:215-02.5

Ingress Protection:IP40 front, IP10 back

Maximum Altitude:2000 m

Overvoltage Category:II

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

Sinusoidal Vibration Test Level:Class 1

Voltage Phase Reversal Configuration:ACB or ABC

Phase Rotation:About the 489-P5-HI-A20

Digital Inputs:4

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

Sequential Trip Configurable:Assignable to Digital Inputs 1 to 7

Shipping Weight:7.7 kg or 17 lbs

Thermal Model Curve Biasing:Phase Unbalance, Hot/Cold Curve Ratio, Stator

    The GE SR489-P5-HI-A20 is a generator management relay designed for the 489 series by GE Multilin. With an enhanced display and 10Base-T Ethernet connectivity, this device provides robust performance and real-time monitoring capabilities.

    This model is fully drawout (with automatic CT shorts) and comes with an ingress protection rating of IP40 front and IP10 back, ensuring reliable operation in various environments up to an altitude of 2000 meters.

    Equipped with phase current inputs of 5 A, the 489-P5-HI-A20-T-H is capable of delivering precise measurements. Its overvoltage category II rating ensures safety against voltage spikes, while its thermal model curve features offset mho characteristics for enhanced accuracy.

    The relay supports sequential trip configuration, allowing for customizable responses based on digital input triggers. Additionally, the device includes enhanced front panel functionality and supports motor management applications.

    With its comprehensive technical specifications and advanced features, the GE SR489-P5-HI-A20-T-H is an excellent choice for industrial applications requiring reliable generator management and monitoring solutions.