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ABB MRI3I5E5DM Digital Multifunction Relay

ABB MRI3I5E5DM Digital Multifunction Relay

ABB MRI3I5E5DM Digital Multifunction Relay

  • Item NO.:

    MRI3I5E5DM
  • Payment:

    T/T
  • Price:

    $1500
  • Product Origin:

    China
  • Color:

    NEW
  • Lead Time:

    In stock

We will arrange delivery within 3-5 days after receiving the payment.

Our express delivery: DHL and FedEx.

Quality packing for each product

Destination country all taxes & duty to be paid by buyer

Only part of the brand and model, if you have other product needs, please contact us.

ABB MRI3I5E5DM Digital Multifunction Relay

1. Product Overview

The ABB MRI3I5E5DM is a high-performance digital multifunction protection relay designed for current protection, monitoring, alarming, and control. Based on ABB’s advanced microprocessor technology, it provides reliable protection for motors, cables, feeders, and industrial electrical systems. It is widely used in smart distribution networks due to its fast response, high accuracy, and flexible configuration capability.


2. Technical Specifications

Item Description
Model MRI3I5E5DM
Type Digital multifunction protection relay
Supply Voltage AC/DC 24–250 V (depending on version)
Measurement Input Current transformer (CT) input
Protection Functions Overcurrent, short-circuit, inverse time, ground fault, overload
Output Programmable relay outputs (NO/NC)
Communication RS485 / Modbus (depending on model)
Display LCD screen
Data Recording Fault logs, event records, monitoring data
Mounting Panel / flush mounting
Accuracy Industrial-grade high accuracy
Operating Temperature –10°C to +55°C
Protection Class IP10 (front), IP20 (housing)

3. Advantages & Features

  • Multiple protection functions integrated in one device

  • Fast and precise microprocessor-based operation

  • Easy local configuration with LCD display

  • Supports communication protocols such as Modbus/RS485

  • Strong EMC performance and industrial-grade reliability

  • Simple installation and flexible programmable outputs


4. Application Areas

  • Industrial distribution networks

  • Motor protection (overload, short circuit, stall)

  • Cable feeder protection

  • Automation and control equipment protection

  • Power system secondary protection

  • Pumps, fans, compressors, and process equipment


5. Installation & Safety Notes

 

  • Verify voltage supply and CT ratio before wiring

  • Always follow ABB wiring diagrams

  • Do not install or remove the device under power

  • Avoid installation near high EMI sources

  • Periodically inspect relay output contacts

  • CT secondary must never be open-circuited during operation

  • Protection settings should be configured by qualified personnel

  • Ensure a dry, ventilated environment for optimal operation

 

The structure and details of the product:

 

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