GE SR489-P5-HI-A20-E – Generator Management Relay for Industrial Control Applications

Manufacturer:GE Multilin

Model:SR489-P5-HI-A20-E

Protection Type:Motor Protection

Current Range:Full Load Amperage

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

Phase Unbalance:Hot/Cold Curve Ratio, Stator

Humidity Operating Range:Up to 95% (Non-Condensing)

Shipping Weight:7.7 kg or 17 lbs.

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

General Input:A to G Configurable Assignable Digital Inputs 1 to 7

Loss of Excitation Elements:Trip, 2 Zones Using Impedance Circles

Phase Differential Pickup Accuracy:As Per Phase Current Inputs

Pulse Output Parameters:+ kwh, +kvarh, –kvarh

Radiated and Conducted Emissions:Class A

Time Delay:0.1 to 100.0 s in steps of 0.1

Digital Inputs:489 Sensor Supply 24 V DC at 20 mA max Impedance

    The GE SR489-P5-HI-A20-E is a highly reliable motor management relay designed specifically for generator protection applications. With its robust design, this relay provides comprehensive protection against overcurrent, undervoltage, and other critical faults, ensuring the safe operation of your power generation systems. Featuring built-in trip and alarm protection, breaker failure detection, and VT fuse failure simulation, the SR489-P5-HI-A20-E delivers unmatched reliability and performance.

    This model comes equipped with advanced metering capabilities, allowing users to monitor critical parameters such as voltage, current, and frequency in real-time. The built-in flash memory enables easy data storage and retrieval, facilitating seamless operation and maintenance.

    To enhance usability and customization, the 489 Enervista 489PC Software is included with new factory package versions. This software allows users to program and interact with the relay from a PC, making configuration and troubleshooting more efficient.

    Additionally, the SR489-CASE draw-out case is included with new units, providing a convenient and secure mounting option for installation in control panels or rack mounts. Designed to withstand harsh industrial environments, the SR489-P5-HI-A20-E offers superior performance and durability.