GE SR489-P5-HI-A20-E – Advanced Generator Management Relay

Manufacturer:GE Multilin

Model:489-P5-HI-A20-E

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

Underfrequency Pickup Accuracy:±0.02 Hz

Trip Coil Supervision:Trickle Current 2 to 5 mA

Tachometer Duty Cycle:> 10%

Production Tests Dielectric Strength:1.9 kV AC for 1 second or 1.6 kV AC for one minute, per UL 508

Shipping Weight:7.7 kg or 17 lbs

Analog Current Output Isolation:36 Vpk (isolated with RTDs and analog inputs)

Case Drawout:Fully drawout (automatic CT shorts)

Digital Inputs:489 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

Phase Distance Characteristics:Offset mho

Sequential Trip Configurable:Assignable to Digital Inputs 1 to 7

    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.