GE 489-P5-HI-A20-T Generator Management Relay

Technical Specifications:

  • Phase Current Inputs: 5 A phase CT secondaries
  • Control Power Supply:
    • AC: 70–265 V (48–62 Hz)
    • DC: 90–300 V
  • Analog Output: 4–20 mA configurable outputs
  • Display: Enhanced LCD for clear status and diagnostic information
  • Communication Interface: Supports multiple communication protocols, including RS485 and Modbus, for data exchange and remote monitoring
Category:
Description
  • Operating Temperature: -40 °C to +60 °C
  • Storage Temperature: -40 °C to +80 °C
  • Enclosure: IP40 (front), IP20 (back)

Functional Characteristics:

  • Comprehensive Protection Functions:
    • Detects and responds to overcurrent, undervoltage, overvoltage, negative sequence current, and ground faults.
    • Provides thermal overload protection with adjustable curves to match generator characteristics.
  • Control Functions:
    • Controls generator start-up, shutdown, and switching operations based on preset logic or external signals.
  • Monitoring and Diagnostics:
    • Continuously monitors generator parameters such as current, voltage, and temperature.
    • Captures and logs event data for post-fault analysis.
  • User-Friendly Interface:
    • Equipped with an LCD display for easy configuration and operation.
  • High Reliability:
    • Designed with industrial-grade components to ensure long-term stable operation in harsh environments.

Application Scenarios:

  • Power Plants:
    • Used for the protection and control of various types of generators, including steam turbine generators and hydroelectric generators.
  • Industrial Enterprises:
    • Protects and controls generators in self-provided power generation systems.
  • Data Centers:
    • Safeguards backup generators to ensure uninterrupted power supply.
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