Max Voltage: 380V or 600V Porcelain, 600V or 500V steatite
Max amperage: 30A or 50A porcelain, 20A or 44A steatite
Max Temp: 240°C (464°F) or 200°C (392°F)porcelain, 450°C (842°F) or 240°C (464°F) steatite
Terminals: Single, Double, Triple, 4, 6
Options: Open, enclosed