NEW TYPE QS cam controller new mold low price with good quality QS-20A 2P/4P

NEW TYPE QS cam controller/changover switch/universal changeover switch

CAM STARTER IS MAINLY USED TO START,STOP,FORWARD OR BACKWARD DIRECTLY THREE-PHASE ASYNCHRONOUS ELECTRIC MOTOR WITH AC 50HZ,VOLTAGE UP TO 500V AND CAPACITY UP TO 7.5KW.IT CAN ALSO BE USED FOR CHANGEOVER FROM ONE KIND OF CIRCUIT TO THE OTHER.