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Woodward 8444-1082A

  • Product Name: MFR300-71M Measuring Transducer / Multifunction Relay
  • Product Description: A precision multifunction transducer for accurate measurement of true RMS voltage/current and electrical parameters in power systems, with integrated relay outputs for protection and control.
  • Technical Specifications:
    • Inputs: 3 true RMS voltage (0–69/120 Vac or 0–400/690 Vac), 3 true RMS current (5 A)

Detailed content

    • Accuracy: Class 0.5 (voltage/frequency/current); Class 1 (power/energy)
    • Power Supply: 12/24 VDC (8–32 Vdc range)
    • Relays: 4 configurable change-over relays; 1 “Ready for Operation” relay
    • Communication: CANopen / Modbus protocols
    • Protection Level: IP65
    • Operating Temperature: -20 °C to +70 °C
  • Key Features:
    • True RMS Measurement: Accurate readings unaffected by harmonics, transients, or noise.
    • Integrated Protection: Configurable trip/control setpoints and delay timers (0.02–300 s) for alarm management.
    • Energy Monitoring: 2 kWh and 2 kvarh counters for precise energy tracking.
    • Redundant Design: Enhances system reliability for high-availability applications.
  • Applications:
    • Gas Turbines: Power generation and mechanical drive systems (compressors, pumps).
    • Industrial Power Monitoring: Critical electrical distribution systems in manufacturing plants.

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