MPCB

A complete motor protection concept

Manual motor starters, also known as motor protection circuit breakers (MPCBs) or manual motor protectors (MMPs), are electromechanical protection devices for the main circuit. They are mainly used to switch motors ON/OFF manually and to provide fuseless protection against short-circuit, overload and phase failures. Fuseless protection saves costs, space and ensures a quick reaction under short-circuit condition by switching the motor off within milliseconds. Starter combinations are setup together with contactors and are available with screw or Push-in Spring terminals.

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Main Benefits:

  • Harmonized main accessory range across MS1xx and MO1xx family make planning and logistics easier
  • Efficient planning and installation perfectly aligned and coordinated with ABB’s contactor family
  • Simple connecting links for direct-on-line starters save wiring time and avoid wiring mistakes
  • Less machine downtime and maintenance expenditures by reliable motor protection
  • Compact design
  • ABB’s Push-In Spring terminals offer unique, reliable, fast and easy connections which eliminate routine re-tightening

Main Features:

  • Handle for switching ON/OFF manually/ short-circuit current and overload protection
  • Adjustable current setting ranges
  • Large markings on setting scale for precise current setting
  • Disconnection function
  • Temperature compensation up to +60°C
  • Remote control via undervoltage release or shunt trip
  • Short-circuit service breaking capacity Ics up to 100kA
  • Finger safe housing (IP20)
  • Suitable for 1-phase applications
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