Woodward|MRI3I5E5DM|Digital Protection Relay

Description

• The Woodward MRI3I5E5DM is a digital protection relay designed for current monitoring and protection in electrical power systems.

Features

• Advanced digital signal processing
• Compact and robust design
• Flexible configuration for protection tasks

Technical Specifications

• Rated Current: 1 A or 5 A (selectable)
• Rated Frequency: 50/60 Hz
• Overcurrent Setting Range: 0.5–20 x In
• Time Delay Range: 0.1–20 s
• Earth Fault Current Range: 0.01–2 x In
• Auxiliary Voltage: 24–270 V DC or 24–230 V AC
• Output Contacts: 4 changeover contacts
• Contact Rating: 250 V AC, 8 A
• Operating Temperature: -20°C to +70°C
• Storage Temperature: -40°C to +85°C
• Humidity: Up to 95%, non-condensing
• Dimensions: 144 mm x 72 mm x 130 mm
• Weight: 0.8 kg
• Protection Class: IP54 (front)
• Accuracy: ±3% for current measurements
• Response Time: < 50 ms for overcurrent
• Communication Interface: Optional RS485 Modbus