SC1(SC)Series AC contactor Low-Voltage controlgear, switchgear and systems Application: SC1 series AC contactor is suitable for using in the circuits up to rated voltage 500V AC 50Hz or 60Hz for making and breaking remote circuits and rated operating current 9, 12, 16, 17, 22, 32, 40, 50 and 65A at rated operating voltage 380V under utilization category AC-3, It can be combined with suitable thermal overload relays to form electro-magnetic starters in order to protect overload circuit.