GE SR489-P5-HI-A20 – High Precision Generator Management Relay
The GE SR489-P5-HI-A20 Industrial Relay is a versatile and robust solution designed for industrial control applications. It ensures precise control and monitoring in various environments, offering high accuracy and reliability.
Manufacturer:GE Multilin
Model:489-P5-HI-A20
Series:489 Series
Current Inputs:5 A phase current inputs
Accuracy:±1% of full scale
Fuses: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
Phase Rotation:About the 489-P5-HI-A20 489-P5-HI-A20 is a generator management relay that is manufactured by GE Multilin for the 489 series. This relay has 5 A phase
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.
The GE SR489-P5-HI-A20 Industrial Relay is built for robust industrial environments. It combines precision engineering with durable construction to deliver consistent and reliable performance.
This relay supports high-precision analog current inputs with an accuracy of ±1% of the full scale, making it ideal for accurate measurements in demanding applications. With its advanced RTD inputs isolation at 36 Vpk, the relay ensures safe operation even in electrically noisy environments.
Equipped with 1 to 7 configurable digital inputs, the SR489-P5-HI-A20 allows for flexible integration with existing systems. Its ground overcurrent curve shapes include ANSI, IEC, IAC, Flexcurve, and Definite Time, providing versatile protection options tailored to specific needs.
Designed for reliability, the relay operates efficiently within a wide range of humidity conditions up to 95%, making it suitable for use in humid climates or wet environments. Additionally, the unit’s shipping weight of 7.7 kg (17 lbs) ensures easy installation and handling.
Manufactured under strict quality standards, the GE SR489-P5-HI-A20 Industrial Relay undergoes rigorous production tests including dielectric strength testing, ensuring it meets stringent safety and performance criteria.




















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