GSQ1 range star-delta starter is used in AC 50Hz (or 60Hz), rated insulation voltage is up to 690V, and rated voltage is 380V under control power 80KW for 3-phase case induction motor and category AC-3, used to control motor stator windings by the "star" to the "triangle" for the next start, stop and run. Using appropriate thermal relay, the realization of the motor overload and phase protection.

The products not suitable for reverse conversion, not suitable AC-4 sort.