ZN28(A)-12 series vacuum circuit breaker is a kind of 12kv,50Hz three phase current high voltage indoor switch device.
It sticks to the stander of GB1984-89.It can be mounted together with the operating structure as a whole and also can be separated.ZN28-12(integrated structure) and ZN28A(segregated structure) can be applied to various kinds of fixed switchgear, such as GG-1A(Z),XGN2-12A(Z).This product can matches to CD17 direct current electromagnetic operating structure and CT17,CT19 spring operating structure.
