1) 10A 3Wire 6Holes ceramic terminal block 2)material of metal parts:Iron ,Aluminium and copper 10A 3Wire 6Holes ceramic terminal block 1)Main material ... :ceramic/radioceramic2) Current:5A, 10A,15A, 30A, 60A Voltage ... power supply, heat insulation and so on 10A 3Wire 6Holes ceramic terminal block