... iron, aluminum 3)meet customer's special requirement Specification1)30A 3Wire 8holes ceramic terminal block1)Main material:ceramic/radioceramic2) ... Current:5A, 10A,15A, 30A, 60A Voltage: 110-600V3) CE,ROHS certificate4) OEM ... .Our main products are porcelain lampholders, insulators, fuses, knife switches, plastic wall switches, sockets, outdoor lighting and ...