... ,3P20A,3P30A,3P60,etc 3. ron/zinc alloy/copper Electric Double And Single Knife Switch1. porcelain knife switch,electrical switch,power knife ... . Porcelain body3. Copper or iron metal parts 4. Double and single style5. Packing:export standard carton If you are interested in ... us.Tks. STYLEMODELQTY/CTNG.W/N.W(KG)MEAS(CM)Single Throw2P20A60pcs20/1835.5*25*30.5Single Throw2P30A60pcs27/2543.5*26 ...