ZN12-12 series indoor high voltage vacuum circuit breaker is an indoor device with three-phase ac 50Hz and rated voltage of 12kV.
The mechanism of the circuit breaker and the arc extinguishing chamber system are designed as a whole. The special 3AF spring operating mechanism of Siemens company adopts dual-purpose motor to conduct ac and dc energy storage operation, which can also be operated manually.
This product design has 210mm, 230mm, 250mm, 275mm and so on a variety of phase distance, and different types of switch cabinet with more convenient use.
This product can be used in JYN2-12, JYN6-12, KYN2-12 handcart, the handcart overall size is the same as ZN28-12C.
Main technical parameters
Outline and mounting dimensions