Main Applications of AC Contactor (Four-pole):

1)The AC Contactor (Four-pole) is designed for long-distance making and breaking in circuit, frequently starting and controlling AC control electromotor in power system with frequency of AC 50Hz or 60Hz, rated operating voltage up to 380V, and rated operating current up to 620A under category AC-3.
2) AC Contactor (Four-pole) can work as electromagnetic starter assembled with appropriate thermal relay or electronic protective device in order to protect circuit from overload. Used in various electrical equipments, electromotor and circuit control if assembled with appropriate reply or other general electrical appliance.
3) AC Contactor (Four-pole) can work as mechanical interlock contactor equipped with auxiliary contactor group, air delay head and mechanical interlock, or electromagnetic starter with appropriate thermal relay.
4) Comply with such standards as IEC60947-4-1 and GB14048.4.