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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 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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