ZN83-12KV series of indoor M.V. VCB with lateral operating mechanism used spring to storage energy.

ZN83-12KV series of indoor M.V. VCB with lateral operating mechanism used spring to storage energy.The operating mechanism can be operated by two ways:by manual and electromotive operation.The characteristics is accordance with IEC standard 62271-1 00:2001 M.V. AC circuit breaker,JB3855-1996 3.6-4.5kv indoor AC M.V. circuit breaker and GB1984-2003 M.V. AC circuit breaker.