GE 469-P1-HI-A20-E Motor Management Relay

Technical Specifications:

  • Power Supply: 85–265 V AC/DC
  • Power Consumption: <20 W
  • Input Signals: Voltage, current, frequency, and switch-state inputs
  • Output Contacts: Dry contact outputs for tripping and alarms
  • Communication Interfaces: RS485 (Modbus RTU), Ethernet (IEC 61850, DNP3, Ethernet/IP)
  • Operating Temperature: -40°C to +85°C
  • Storage Temperature: -40°C to +95°C
  • Protection Class: IP54 (dust and water-resistant)
  • Mounting: Panel-mounted
  • Certifications: IEEE C37.118, IEC 60255, UL 508A
Category:
Description

Functional Characteristics:

  • Comprehensive Protection Functions:
    • Differential protection, overcurrent protection, ground fault protection, reverse power protection, loss-of-excitation protection, under/over-frequency protection, and voltage imbalance protection.
    • Advanced thermal overload modeling with support for RTD (Resistance Temperature Detector) inputs for accurate motor temperature monitoring.
  • Precision Measurement and Monitoring:
    • Real-time monitoring of voltage, current, active/reactive power, frequency, and harmonic distortion.
    • Event logging and waveform capture for post-fault analysis.
  • Flexible Communication Capabilities:
    • Supports multiple industrial protocols (Modbus RTU, IEC 61850, DNP3, Ethernet/IP) for seamless integration with SCADA systems or PLCs.
  • Modular Design:
    • Easily expandable with optional input/output modules, communication modules, and auxiliary power modules to meet diverse application needs.
  • High Reliability and Durability:
    • Robust construction with wide temperature tolerance and strong electromagnetic compatibility (EMC) for harsh industrial environments.
  • User-Friendly Interface:
    • Local LCD display and keypad for easy programming and status monitoring.
    • Remote configuration and diagnostics via software tools like EnerVista.

Application Scenarios:

  • Power Generation:
    • Protects generators in thermal, hydro, diesel, and renewable energy power plants.
  • Industrial Automation:
    • Safeguards motors in conveyor systems, pumps, fans, compressors, and other critical machinery.
  • Critical Infrastructure:
    • Used in water treatment, oil and gas, and transportation systems where motor reliability is essential.
  • Distributed Energy Systems:
    • Ideal for protecting small-scale generators in microgrids and backup power systems.
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