Features Normally open type: the cam switch adopts the button operation mode, the contact structure is a normally open button section VARIOUS SWITCHES: Suitable for start-up, reverse and motor speed regulation switches, and can also be used as conversion control circuits FIRE RESISTANT MATERIAL - Made of good quality PP material, bring stable connection, fire resistant insulation and long service life. AC380V 20A: Operating voltage for AC380V, rated heating current of 20A and power of 4kw, with stable performance EASY TO INSTALL: 4 terminals and 3 positions, allow for easy installation, simple operation, which is an ideal alternative Specification: Item Type: Cam Change Switch Material: Polypropylene Operating voltage: AC380V Rated heating current: 20A Power: 4kw Operating Mode: Button Type Contact structure: normally open button section Style: 4 terminals 3 positions (012) Package list: 1 x Cam Switch Small note: Pay attention to electrical safety when using. Package List 1 x Cam Changeover Switch