CH3-12KV/150触头盒 630~1250A CH3-12KV/180触头盒 1250A CH3-12KV/190触头盒1600A CH3-12KV/208触头盒 1600~2000A CH3-12KV/250触头盒2500~3150A CH3-12KV/270触头盒4000A CH3-24KV/225触头盒 630~1600A CH3-24KV/250触头盒 2000~4000A 1