The GC4 series "Star Triangle" voltage reducing starter is suitable for AC 50Hz (or 60Hz), rated insulation voltage of 690V, rated working voltage of 380V under AC-3 category, and power of 80kW and below three-phase squirrel cage induction motors. It is used to control the stator winding from "star" to "delta" switching for starting, running, and stopping. After installing the corresponding specifications of GR1 thermal relay, it can achieve overload and phase failure protection for the motor.
This product is not suitable for reversible conversion and is not suitable for AC-4 usage category.
Technical parameters of GC4 series star delta pressure reducing starter
