GE SR489-P1-HI-A20-E is a generator management relay system produced by General Electric (GE). The following is a detailed introduction to the product:

1、 Product Overview

The GE SR489-P1-HI-A20-E generator management relay system belongs to the GE Multilin series and is a protection and control device designed specifically for generators in power systems. It combines relays, communication interfaces, and multiple protection functions to provide efficient and reliable solutions for generators.

2、 Main features

Multi functional protection:

Provide multiple protection functions such as overcurrent protection, undervoltage protection, and ground fault protection to ensure the stable operation of the generator under various working conditions.

Suitable for protecting the power system from potential faults and overloads, capable of detecting abnormal situations and taking corresponding measures to prevent equipment damage or system collapse.

High precision analog output:

It has an analog output function of 4 to 20 milliamps (mA), which can be used to monitor the operating status of the generator, such as current, voltage and other parameters.

Analog output signals can be used to communicate with other devices or systems, enabling remote monitoring and control.

Enhanced Display:

Equipped with an enhanced display with a larger LCD screen, displaying information more clearly and intuitively.

The monitor can display real-time status, alarm information, fault records, etc. of the generator, making it convenient for operators to monitor and maintain.

Flexible configuration methods:

Users can flexibly set up SR489-P1-HI-A20-E through programming or configuring software to meet the needs of different power systems.

Supports multiple settings and curve options, and can be customized according to actual situations.

High reliability:

Using high-quality electronic components and advanced production processes to ensure high reliability of relays in harsh environments.

Through strict quality control and testing, to ensure its stability and reliability in practical applications.

3、 Technical parameters

Product Code: 489-P1-HI-A20-E

Product Type: Generator Management Relay

Phase current input: P1=1 Phase A CT secondary

Control power: HI=90 to 300 volts DC; 70 to 265 volts AC (frequency 48 to 62 hertz)

Analog output: A20=4 to 20mA analog output

Display: E=Enhanced Display, Larger LCD

Shipping weight: 12 kilograms (kg)

4、 Application Fields

The GE SR489-P1-HI-A20-E generator management relay system is widely used in fields such as power, energy, and industry, especially in power plants, substations, and industrial facilities, providing strong support for the stable operation of generators.