Description

Overview

Essential details：SR489-P5-LO-A20 generator management relay

Product Description

SR489-P5-LO-A20 Product Description

I. Product overview

The SR489-P5-LO-A20 is a generator management relay manufactured by GE Multilin as part of the Multilin 489 series, which is designed to provide powerful generator management and protection capabilities.

Two, the main characteristics and specifications

Relay parameter
Phase CT secondary: 5A
LO control power: 20-60 VDC, 48-62 VAC when the frequency is 20-48 Hz
Analog output: 4 to 20 mA
Display and panel
Features a 40-character display that allows users to view value messages, diagnostics, and setting points
The front panel includes multiple status leds, input buttons, numeric keypads, input ports, and an LCD screen for reading device position information
Electrical parameter
Operating frequency: It can operate at 25, 50 or 60 Hz
Frequency parameter range: 0.00 to 90.00 Hz
Neutral line voltage (3rd) Parameter range: 0 to 25000 V
Power factor parameters range: 0.01 to 1.00 Lead/lag
Reactive power (Mvar) parameter range: -2.00 to 2.00 times rated voltage

SR489-P5-LO-A20-E

Product parameter

Communication and interface
The rear panel includes twelve RTD inputs, six output relays, two RS485 communication ports, and four VT inputs
The communication port supports ModbusRTU or DNP 3.0 protocols (or both) up to 19200 bps
The rear panel also includes four isolated 4-20 mA analog inputs and outputs and seven assignable digital inputs
Design and installation
Compact structure, small size, easy to install and maintain
Shipping weight: approx. 10 kg
Dimensions: 21.6 cm (L) x 22.4 cm (W) x 25.2 cm (H)

APPLICATION

The application areas of SR489-P5-LO-A20 generator management relay are mainly concentrated in the following aspects:

Generator protection:
The SR489-P5-LO-A20 is designed for generator protection and can be used in induction or synchronous generators to provide comprehensive protection and management functions.
The relay has perfect protection functions, such as overload protection, short circuit protection, undervoltage protection, overvoltage protection, etc., to ensure that the generator can run stably under various working conditions.
Power system monitoring and management:
With its powerful data processing and communication capabilities, the SR489-P5-LO-A20 can monitor the operating status of the power system in real time, providing important data support for power dispatching and management.
Through the connection with the host computer or the central control system, remote monitoring and remote control can be realized to improve the automation level of the power system.
Industrial Automation and Intelligent Manufacturing:
In the field of industrial automation and intelligent manufacturing, the SR489-P5-LO-A20 can be applied to a variety of equipment and systems requiring a stable power supply, such as production lines, robots, automated warehousing, etc.
By precisely controlling and managing the operating state of the generator, it ensures that these equipment and systems can operate continuously and stably, improving production efficiency and product quality.
New and renewable energy:
In the field of new and renewable energy, such as wind power, solar power, etc., SR489-P5-LO-A20 can be used as a core component of the generator management system to achieve precise control and protection of the generator.
Through the real-time monitoring and data analysis of the running state of the generator, the power generation efficiency is optimized, the operation and maintenance costs are reduced, and the economic and social benefits of new energy power generation are improved.
Application scenarios with high reliability requirements:
Due to the SR489-P5-LO-A20’s high reliability, long life and complete protection function, it is particularly suitable for applications where the stability of power supply is required, such as data centers, medical facilities, financial institutions, etc.
In these application scenarios, the SR489-P5-LO-A20 ensures the continuity and stability of the power supply, providing a strong guarantee for the operation of critical services.
In summary, the SR489-P5-LO-A20 generator management relay has a wide range of application prospects in generator protection, power system monitoring and management, industrial automation and intelligent manufacturing, new energy and renewable energy fields, and high reliability requirements.

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