MasterPact MTZ is the latest generation of air circuit breakers up to 6300 A, in which advanced digital technologies are integrated. The MasterPact MTZ consists of 3 sizes, MTZ1 from 630 to 1600 A, MTZ2 from 800 to 4000 A and MTZ3 from 4000 to 6300 A. It can be configured in fixed or withdrawable design, as a circuit breaker or load breaker. The integrated protection and tripping device MicroLogic X can be equipped with a wide range of functions and accessories. The MasterPact MTZ1 800A H1 Icu air circuit breaker is 42kA at 440V 4-pole, basic switch without Micrologic X tripping device, in withdrawable design without cassette. The MasterPact MTZ can be ordered via the online configurator.