Wärtsilä PDM-20110V PAEE045083

Product Introduction:
The Wärtsilä PDM-20110V is a protective relay and monitoring device used within Wärtsilä automation & electrical packages for marine vessels and land-based power plants. It provides comprehensive generator/feeder protection functions (overcurrent, earth fault, reverse power, under/over voltage, frequency, etc.) and feeds status/analog values into the Wärtsilä DAM (Data Acquisition & Monitoring) or ship automation system via serial link.
Category:
Description
Typical Technical Data (based on Wärtsilä PDM-series documentation):
  • Protection Functions (typical IEC 60255based):
    • 51 / 51N — Overcurrent & Earth Fault (IDMT / Definite Time)
    • 32 — Reverse Power (anti-motoring for generators)
    • 27 / 59 — Under-/Over-Voltage
    • 81U / 81O — Under-/Over-Frequency
    • 46 — Negative Sequence (unbalance)
    • 50 — Instantaneous Short-Circuit
  • Rated Voltage Input:​ 100–120 V AC (from VT secondary, typically 110 V or 100 V); model suffix ‘V’ generally denotes V-measuring / VT-input version
  • Current Input:​ 1 A or 5 A AC (from CT secondary)
  • Communication:​ RS-485 (Modbus RTU) or CANopen to Wärtsilä Automation System; sometimes Profibus DP option
  • Supply Voltage:​ 24 VDC (control voltage) or 110/230 VAC depending on variant
  • Trip Relays:​ Configurable NO/NC contacts for breaker trip, alarm, and watchdog
  • Operating Temp:​ -10 °C to +55 °C (marine-deck/enclosed switchboard rated)
  • Enclosure:​ DIN-rail or panel mount within cubicle; front LEDs for trip/alarm/healthy
  • Standards:​ IEC 60255, IEC 61000-4 EMC, DNV-GL / ABS / CCS type approvals (marine versions)
Features:
  • Menu-driven configuration via local keypad/LCD or PC commissioning tool
  • Event & disturbance recording (trip log with timestamp)
  • Self-supervision and watchdog relay
  • Seamless integration with Wärtsilä UNIC / DAM / WECS automation platforms
Applications:​ Medium-voltage generator protection on Wärtsilä diesel/gas power plants, marine main/auxiliary switchboards, shore-to-ship power interfaces.
Installation Notes:​ CT/VT polarity must be observed — reversed polarity causes incorrect directional/reverse-power tripping. Perform secondary injection test after installation. Ensure control supply is from a reliable UPS-backed source if continuous protection is required during plant black-start.
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