ZW8-12 model Outdoor High Voltage Vacuum Circuit Breaker is a kind of outdoor high voltage distribution equipment.

It  is used to break and close load current, over-load current and short-circuit current in 12kv rural or urban power network system, is a favourable product to instead oil type vacuum circuit breaker. The spring storing energy operating mechanism can be manual, electric or remote control type.

Product Specifications

·  Rated voltage:12KV·  Rated frequency:50Hz·  1min P.F. withstand voltage,dry test/wet test:42/34KV·  Lightning impulse withstand voltage peak:75KV·  Rated current:630A·  Rated short-circuit breaking current:12.5/16/20KA·  Rated short-circuit closing current peak:31.5/40/50KA·  Rated short-time withstand current:12.5/16/20KA·  Rated withstand current peak:31.5/40/50KA·  Rated short-circuit breaking current breaking times:30Times·  Mechanical lifetime:10000Times