GE 469-P5-HI-A20-E Motor Management Relay

Technical Specifications:

  • Control Power Supply:
    • AC: 70–265 V (48–62 Hz)
    • DC: 90–300 V
  • Current Inputs: 5 A phase CT secondaries
  • Analog Output: 4–20 mA configurable outputs
  • Digital Inputs: 9 optically isolated inputs for external control signals
  • Display: Enhanced 40-character LCD for clear status and diagnostic information
  • Operating Temperature: -40 °C to +60 °C
Category:
Description
  • Storage Temperature: -40 °C to +80 °C
  • Communication: RS-232 programming port (9600 baud, configurable to 19200 baud)
  • Enclosure: IP40 (front), IP20 (back)
  • Mounting: Panel-mounted with a sealed drawer handle to prevent unauthorized removal

Functional Characteristics:

  • Comprehensive Motor Protection:
    • Detects and responds to overcurrent, overload, phase loss, phase reversal, and ground faults.
    • Provides thermal overload protection with adjustable curves to match motor characteristics.
    • Monitors motor cooling time constants to prevent premature restarts after overloads.
  • Advanced Monitoring and Diagnostics:
    • Continuously monitors motor parameters such as current, voltage, and temperature.
    • Captures and logs event data for post-fault analysis.
    • Supports RTD (Resistance Temperature Detector) inputs for accurate temperature monitoring.
  • User-Friendly Interface:
    • Intuitive front panel with a large LCD display for easy configuration and status viewing.
    • Digital keyboard and control buttons for local programming and diagnostics.
  • High Reliability and Durability:
    • Designed to operate reliably in harsh industrial environments with wide temperature tolerances.
    • Protective coating (optional) extends component life by shielding against dust and contaminants.
  • Flexible Communication Options:
    • Supports integration with SCADA systems and PLCs via RS-232 for remote monitoring and control.
    • Compatible with various industrial protocols, including Modbus RTU and Modbus TCP/IP.

Application Scenarios:

  • Industrial Automation:
    • Protects motors in conveyor systems, pumps, fans, and compressors.
  • Power Generation:
    • Used in power plants to safeguard generators and auxiliary motors.
  • Oil and Gas:
    • Ensures reliable operation of motors in refining and chemical processing equipment.
  • Metallurgy:
    • Monitors motors in steel mills and aluminum plants for flame state and operational safety.
  • Water and Wastewater Treatment:
    • Protects motors in pumps and aerators to prevent downtime.
  • Other Industries:
    • Applicable in paper manufacturing, food processing, and fire protection systems for flame monitoring and motor control.
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