GSC3-09~95 AC contact or is used in frequency 50Hz(or 60Hz),rated insulation voltage 1000V,and rated current is up to 150A under rated voltage 380V and AC-3,for long-distance making and breaking circuit,Can add installation or air time-delay on above,both sides can be fixed auxiliary contact arrangement,can interoperable with appropriate thermal overload relay as electromagnetic starter to protect potential overload circuit.