The Woodward MRU3-11D voltage relay is designed for reliable protection and control in electrical systems. It offers advanced features and flexible configuration options to meet the needs of various industrial, power generation, and utility applications. This versatile device monitors voltage levels, provides protection, and ensures the smooth operation of electrical equipment by triggering alarms or initiating actions when necessary.

Technical Specifications

• Voltage Monitoring Range: 0 to 690 V AC
• Voltage Setpoints: Configurable for overvoltage, undervoltage, and phase unbalance
• Accuracy: ±1% of nominal voltage
• Relay Outputs: 1 SPDT relay (NO/NC), rated at 5 A, 250 V AC
• Digital Outputs: 2 independent outputs for alarm and trip functions
• Analog Output: 4-20 mA for voltage level indication
• Communication Protocols: Modbus RTU, RS485
• Operating Temperature: -20°C to +60°C (-4°F to +140°F)
• Power Supply: 24 V DC, 85-265 V AC/DC
• Mounting: DIN rail mount
• Dimensions: 108 x 70 x 115 mm
• Weight: 0.4 kg
• Certification: CE, UL, and RoHS compliant