... 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 . 630A ... . KYN28A-12 and KYN61 high voltage switchgear components! circult breaker socket