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
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- 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.












