1. ISO9001 and ISO14001 approval. 2. CE passed. 3. Manufacturer. 4. Reasonable packing. Selection of the Motor SwitchMotor switch is a kind of Change-over Switch, they including Reversing Switch, Multi-step Switch, Multi-Speed Switch, Star Delta Switch, etc. Reversing Switch directly operate the motor with AC3 or AC4 duty rating. A easy way to control the Star Delta of Motor Multi-Speed Switch