1.12kV vacuum circuit breaker . 2.630A-4000A 31.5kA 3. ... 12KV, 24 KV , 36KV and 40.5KV switchgear bushing , contactor box , insulators , transducers . 630A, 1250A ,2500A , 3150A and ... 4000A contactor box , club contact , fix contact, arm contact and jaw contact ... components! We will give you best quality and price! Vacuum circuit breaker