They are mainly used to switch motors ON/OFF manually and to provide fuseless protection against short-circuit, overload and phase. Starter combinations are setup together with contactors and are available with screw or Push-in Spring terminals. Manual motor starters, also known as motor protection circuit breakers (MPCBs) or manual motor protectors (MMPs), are electromechanical protection devices for the main circuit. Fuseless protection saves costs, space and ensures a quick reaction under short-circuit condition by switching the motor off within milliseconds. installation technology can be downloaded as PDF files. 3) For overload protection of the motors, appropriate overload relays must be used. The manual and operating instructions are available in PDF for- mat at. ![]() 2) 500 VAC with molded-plastic enclosure. ![]() They are mainly used to switch motors ON/OFF manually and to provide fuseless protection against short-circuit, overload and phase failures. 1) For symmetrical loading of the three phases. Manual motor starters, also known as motor protection circuit breakers (MPCBs) or manual motor protectors (MMPs), are electromechanical protection devices for the main circuit. Parameterization, Configuration and Visualization with SIRIUS.
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