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