Product Short Description

Technical Specifications
    • Monitored System Voltage
      • AC: 20 – 575 V, 50 – 460 Hz
      • DC: 20 – 575 V
    • Insulation Resistance Range
      • Response: 1 kΩ – 10 MΩ (alarm 1 & 2 independently adjustable)
    • Measurement
      • Measuring voltage: ≤ 40 V
      • Measuring current: ≤ 220 µA
      • Accuracy: ±15 % (20 kΩ – 1 MΩ)

Description

  • Supply Voltage
    • AC: 88 – 264 V, 42 – 460 Hz
    • DC: 77 – 286 V
  • Power Consumption
    • ≤ 14 VA
  • Relay Outputs
    • 3 change-over contacts (alarm 1, alarm 2, device error)
    • Contacts: 2 A, AC 250 V / DC 220 V
  • Communication
    • RS-485 (BMS protocol), opto-isolated
    • 0/4 – 20 mA analogue output
  • Data Storage
    • 99 timestamped alarm records in non-volatile memory
  • Environmental Ratings
    • Operating: –10 °C to +55 °C (–40 °C for storage)
    • Shock: 15 g / 11 ms (operation), 40 g / 6 ms (transport)
    • Vibration: 1 g / 10 – 150 Hz (operation), 2 g / 10 – 150 Hz (transport)
  • Protection & Housing
    • IP30 internal, IP20 terminals, IP65 front with cover
    • Flammability: UL 94 V-0
Functional Features
  • Universal Application: Monitors AC, DC, and mixed AC/DC ungrounded systems up to 575 V
  • Ground-Fault Location: Compatible with EDS series location devices to pinpoint faults in up to 1080 circuits
  • Self-Monitoring: Continuous self-test of internal circuits, wiring, and ground connection
  • Adjustable Test Current: 1, 2.5, 10, 25, 50 mA for fault location sensitivity
  • User Interface: Backlit 4 × 16 LCD, front-panel keypad, and intuitive menu navigation
  • Latching/Non-Latching: Selectable alarm reset behavior
  • Remote Test/Reset: Push-button and RS-485 commands
Application Scenarios
  • Industrial Automation: Continuous monitoring of motor drives, switchgear, and process plants
  • Data Centers & Hospitals: UPS and IT power systems where ground faults must be detected early
  • Marine & Offshore: Shipboard and platform power networks per IEC 61557-8 and IEC 61326-2-4
  • Renewable Energy: Solar and wind inverters with high leakage capacitance
  • Transportation: Electric rail and e-bus depots requiring high availability

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