GE SR489-P1-LO-A20-E Generator Management Relay

Product Introduction

The GE SR489-P1-LO-A20-E is a generator management relay designed for the protection and control of generators. It belongs to the Multilin 489 series and is manufactured by GE Multilin. This relay provides comprehensive protection functions, flexible configuration options, and high reliability, making it suitable for various generator applications.

Technical Specifications

  • Brand: GE (General Electric)
  • Model: SR489-P1-LO-A20-E
  • Series: Multilin 489
Category:
Description
  • Input Voltage: DC 24-60V or AC 20-48V, 48-62Hz
  • Control Voltage: Same as input voltage
  • Phase CT Secondary: 5A
  • Analog Output: 4-20 mA
  • Display: Large LCD display for enhanced visibility
  • Communication Interface: Supports RS-232, RS-485, Ethernet, and other communication protocols
  • Protection Level: IP65
  • Dimensions: 21.6cm (length) x 22.4cm (width) x 25.2cm (height)
  • Weight: Approximately 10 kilograms

Functional Characteristics

  • Comprehensive Protection Functions:
    • Overload Protection: Prevents generator damage due to excessive load.
    • Short Circuit Protection: Rapidly isolates faults to protect equipment safety.
    • Ground Fault Protection: Detects and handles ground faults to prevent escalation.
    • Loss of Excitation Protection: Provides protection in case of generator loss of excitation.
    • Overvoltage and Undervoltage Protection: Monitors generator voltage to prevent damage from abnormal voltage levels.
  • Flexible Configuration Options:
    • Allows users to adjust protection parameters according to different generator and application requirements.
    • Supports multiple communication protocols for easy integration into automation systems.
  • High Reliability:
    • Utilizes high-quality components and advanced manufacturing processes to ensure stable operation.
    • Features a modular design for easy installation and maintenance.
  • User-Friendly Interface:
    • Equipped with a large LCD display for easy viewing and operation.
    • Provides a user-friendly interface for simple configuration and monitoring.

Application Scenarios

The GE SR489-P1-LO-A20-E generator management relay is primarily used in the following areas:

  • Power Systems: Generator protection in power plants and substations.
  • Industrial Enterprises: Control and protection of self-provided power generation systems.
  • Offshore Platforms: Protection of generator sets on offshore platforms.
  • Other Applications: Including oil and gas, data centers, ship power generation systems, and more.
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