... resin medium voltage and high voltage components, such as 12KV, 24 KV , 36KV and 40.5KV switchgear bushing , contactor box , insulators , transducers . 630A, 1250A ,2500A , 3150A ... breaker . 630A and 1250A ZN85-40.5 circuit breaker . 12KV and 24KV earth switch. KYN28A-12 and KYN61 high voltage switchgear components! Medium voltage switchgear gemel