Motor protection and control REM630 IEC

Flexibility and high functionality for motor protection and control applications

REM630 is a comprehensive motor management relay for the protection, control, measurement and supervision of medium and large sized asynchronous and synchronous motors in the manufacturing industry.

REM630 is a member of ABB's Relion® family and part of its 630 protection and control product series.


  • REM630 has been designed to be the main protection for both asynchronous and synchronous motors and their drives

Product benefits

  • Freely configurable functionality to meet application-specific requirements
  • Extensive functionality and scalable hardware for the most demanding applications
  • All-in-one solution with integration of protection, control, monitoring and supervision in one relay
  • Large integrated or detached HMI with user configurable push buttons, making it easy to use
  • Extensive life-cycle services

Product features

  • Motor differential protection, thermal overload protection, motor start-up supervision and frequency protection
  • Optional RTD/mA module to be used for various protection and monitoring purposes in motor applications
  • 8 RTD/mA inputs and 4 mA outputs
  • Supports native IEC 61850 Edition 1, including GOOSE messaging for less wiring and supervised communication
  • Supports DNP3 (TCP/IP) and IEC 60870-5-103 communication protocols

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Technical documentation portal

The newest technical documentation In English for this product is on our technical documentation portal. On this portal, you can quickly search topics in all available technical documentation. You can also print topics of your choice to PDF format. As a registered user you will be able to bookmark and add your own comments in your own personal book. You can save the documents you need the most as collections and you can use them also in offline mode.

ABB Library

In ABB Library you can find other product related material and technical documentation in other languages. For now, please also use ABB Library to find technical documentation of earlier product versions.
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