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Woodward 8444-1076
Product Full Name: Woodward 8444-1076 MFR300 Series Three-Phase Electrical Measuring & Protection Relay Module
Product Introduction: Original microprocessor-based true-RMS multifunction relay module from Woodward MFR300 series. It integrates full three-phase electrical parameter measurement, real-time power monitoring, grid/genset comprehensive protection and relay control functions into a single industrial 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, frequency; Class 1 for active/reactive power
- Input Signals: Three-phase voltage PT input, three-phase current CT input
- Communication Interfaces: CANopen, Modbus RTU RS485
- Protection Functions: Overvoltage, undervoltage, overfrequency, underfrequency, overcurrent, phase imbalance, reverse power protection
- Operating Temperature: -40°C to +70°C
- Installation Method: Standard DIN rail mounting
- Certifications: CE, UL compliant industrial certification
Functional Features:
- True RMS measurement adaptive to harmonic distortion power environments
- Fully configurable protection thresholds and action delay time
- Real-time calculation of active power, reactive power, apparent power and power factor
- Fault alarm, event recording and historical data storage functions
- Galvanic isolation between measurement circuit and control output circuit
- Stable continuous operation under long-term industrial working conditions
Application Scenarios:
- Diesel and natural gas generator set electrical protection systems
- Industrial microgrid multi-unit parallel power monitoring systems
- Marine auxiliary power distribution protection control
- CHP cogeneration plant electrical parameter monitoring
- Emergency backup power station electrical safety protection control
