Woodward MRI3I5E5DM Protection Relay

Product Introduction

The Woodward MRI3I5E5DM Protection Relay is a high-reliability digital relay designed for protection, monitoring, and control of industrial engines, generators, and electrical distribution systems. It provides precise detection and response to abnormal conditions such as overcurrent, overvoltage, undervoltage, and frequency deviations, ensuring safe operation of critical equipment. Engineered for industrial, marine, and power generation applications, this relay integrates advanced digital algorithms with flexible interface options, allowing real-time monitoring, event logging, and system diagnostics. The MRI3I5E5DM enhances operational safety, system efficiency, and reliability in complex control environments.

Product Parameters

Applications

The MRI3I5E5DM Protection Relay is used in critical protection and monitoring applications, including:

• Industrial Generators – safeguarding generator sets from electrical faults and abnormal conditions.

• Power Distribution Systems – monitoring voltage, current, and frequency for safe operation.

• Marine Power Systems – protecting engines and generators in marine vessels under harsh environmental conditions.

• Industrial Engines – detecting electrical anomalies in engines driving process equipment.

• Renewable Energy Systems – protecting wind turbines or hybrid generators from overcurrent and voltage disturbances.

Its fast response and reliable protection ensure minimal downtime, safe operation, and enhanced equipment longevity.

Advantages

• Fast and Accurate Protection: Detects overcurrent, overvoltage, undervoltage, and frequency deviations with rapid response.

• Digital Precision: Advanced algorithms ensure reliable trip decisions and minimize false alarms.

• Flexible Communication: Supports Modbus RTU, CAN, and optional Ethernet/IP for integration into modern control systems.

• Robust Industrial Design: Aluminum housing with IP65 protection resists dust, moisture, and vibration.

• Wide Operating Range: Works efficiently from –20 °C to +70 °C.

• Event Logging and Diagnostics: Stores trip events and system status for troubleshooting and preventive maintenance.

• Easy Installation: DIN rail or panel mounting simplifies deployment.

• Compliance Certified: CE, UL, and RoHS certified for global industrial applications.

FAQ

1. Which electrical parameters does the MRI3I5E5DM monitor?
   It monitors voltage, current, frequency, and phase balance to detect abnormal conditions.

2. What is the typical response time for a protection trip?
   Less than 50 ms under normal operating conditions.

3. Which communication protocols are supported?
   Standard protocols include Modbus RTU and CAN, with optional Ethernet/IP support.

4. What input voltage range is required for operation?
   Nominal 24–60 V DC supply.

5. How are trip events and alarms indicated?
   LED indicators display power, trip, and alarm status; event logs can be accessed via communication interface.

6. Can the relay protect multiple electrical parameters simultaneously?
   Yes, it can monitor and trip on overcurrent, overvoltage, undervoltage, and frequency deviations concurrently.

7. What mounting options are available for industrial installations?
   Supports DIN rail and panel mounting for flexible deployment.

8. How does the relay handle high-humidity or dusty environments?
   IP65-rated housing ensures protection against dust ingress and water splashes.

9. Can the MRI3I5E5DM integrate with SCADA or PLC systems?
   Yes, via Modbus RTU, CAN, or optional Ethernet/IP interfaces.

10. What safety and compliance standards does the module meet?
    CE marked, UL listed, and RoHS compliant for global industrial deployment.

Recommended Related Models (Same Series or Compatible)

Popular Woodward Models (Same Brand)

FAQ

1. Which electrical parameters does the MRI3I5E5DM monitor?
   It monitors voltage, current, frequency, and phase balance to detect abnormal conditions.

2. What is the typical response time for a protection trip?
   Less than 50 ms under normal operating conditions.

3. Which communication protocols are supported?
   Standard protocols include Modbus RTU and CAN, with optional Ethernet/IP support.

4. What input voltage range is required for operation?
   Nominal 24–60 V DC supply.

5. How are trip events and alarms indicated?
   LED indicators display power, trip, and alarm status; event logs can be accessed via communication interface.

6. Can the relay protect multiple electrical parameters simultaneously?
   Yes, it can monitor and trip on overcurrent, overvoltage, undervoltage, and frequency deviations concurrently.

7. What mounting options are available for industrial installations?
   Supports DIN rail and panel mounting for flexible deployment.

8. How does the relay handle high-humidity or dusty environments?
   IP65-rated housing ensures protection against dust ingress and water splashes.

9. Can the MRI3I5E5DM integrate with SCADA or PLC systems?
   Yes, via Modbus RTU, CAN, or optional Ethernet/IP interfaces.

10. What safety and compliance standards does the module meet?
    CE marked, UL listed, and RoHS compliant for global industrial deployment.

Recommended Related Models (Same Series or Compatible)

Popular Woodward Models (Same Brand)

Excellent PLC Co., Ltd. has a large number of brand new and original PLC and DCS spare parts, with more than 60 cooperative countries. All products are guaranteed for 1 year and delivered to you by high-quality express. We are committed to using the best products and the most favorable prices to meet the needs and friendship of our customers. We have won the trust of thousands of customers, including these excellent customers.

As for the delivery time, when we receive your order requirements, we will arrange for warehouse personnel to test and verify the products. After you place the order, we will send it to you within 24 hours.