This MCH motor operator is used for remote control of the MasterPact NT/NW circuit breaker. The motor operator provides a drive mechanism that is ready to switch. In conjunction with an XF closing coil and an MX opening coil, the MasterPact can be switched on and off. MCH motor operator 250/277V AC for the MasterPact NW/NW in fixed installation. This motor operator can only be ordered in conjunction with a configured circuit breaker.