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 100/125 VDC for the MasterPact MTZ2/3 spare part for retrofitting or conversion. This motor drive can be ordered individually as a spare part.