This MCH motor drive is used for remote control of the MasterPact MTZ circuit breaker. The motor drive ensures 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 drive 277/415V AC for the MasterPact MTZ1 spare part for retrofitting or conversion. This motor drive can be ordered individually as a spare part.