1.Medium voltage indoor switchgear , 12kV ,24kV ,35kV ,40.5kV . 2.630A , 1250A , 1600-2000A , 2500A , 3150A , 4000A . We are specialty on ... high voltage components, such as 12KV, 24 KV , 36KV and 40.5KV switchgear bushing , contactor box , insulators , transducers . 630A, 1250A ,2500A , 3150A and ...