Digital guide
You are here:
Woodward 8444-1081
Product Full Name: Woodward 8444-1081 MFR300 Series Multifunction Power Monitoring & Protection Relay Module
Product Introduction: Original microprocessor-based multifunction measuring and protection module from Woodward MFR300 series. It performs full true-RMS three-phase electrical parameter measurement, real-time power monitoring, and comprehensive grid/genset protection logic control. It integrates measurement, monitoring, protection and communication into one unit, acting as a core electrical safety management component for power generation systems.
Detailed content
Technical Specifications:
- Operating Power Supply: DC 8–32V wide voltage input
- Measurement Accuracy: Class 0.5 for voltage, current and frequency; Class 1 for power and energy
- Input Signals: Three-phase voltage input, three-phase current input
- Communication Interfaces: CANopen, Modbus RTU RS485
- Protection Functions: Overvoltage, undervoltage, overfrequency, underfrequency, overcurrent, phase imbalance protection
- Operating Temperature: -40°C to +70°C
- Installation Method: DIN rail mounting
- Certifications: CE, UL compliant
Functional Features:
- True RMS measurement adaptable to harmonic distortion environments
- Fully configurable protection threshold and action time
- Real-time calculation of active power, reactive power, apparent power and power factor
- Fault alarm and event recording function
- Galvanic isolation between measurement circuit and control circuit
- Stable operation under long-term continuous industrial operation
Application Scenarios:
- Diesel/gas generator set electrical protection systems
- Industrial microgrid and parallel power systems
- Marine auxiliary power distribution monitoring
- CHP cogeneration plant electrical monitoring
- Emergency backup power station protection control
