First, an overview

ZNl2-12 (ZN68-12) series of indoor high voltage vacuum circuit breaker for rated voltage of 12kV 50Hz indoor high voltage switch equipment, the introduction of Germany's Siemens technology manufacturing products. This circuit breaker operation mechanism for spring storage type. AC / DC operation, can also be used in manual operation, used in power plant, substation and transmission and distribution system control and protection, especially to disconnect the important load and frequent operation places.

ZNl2-40.5 indoor high voltage vacuum circuit breaker with kyn-40.5, KYNl-35, GBC-35 type series cabinet set the main switch switch. Circuit breaker installed in the switch cabinet handcart, as a mobile unit. Also the circuit breaker can also be installed in XGN-40.5 in the switch cabinet is fixed. The circuit device and switch one: special spring energy storage type operating mechanism, with AC / DC storage operation, can also be used for manual operation.