Features Easy Installation: The universal rotary transfer switch is 4 terminals and 3 positions, easy to install and easy to operate, it is an ideal replacement. Stable Connection: The line power switch is made of selected PP material, which has the characteristics of stable connection, fire insulation and long service life. Knob Operation Mode: The cam transfer switch adopts the knob operation mode, and the contact structure is a normally open button part, which is easy to operate and very practical. Applicable To Various Switches: Rotary transfer switch is suitable for starting, reversing, speed regulating switch of the motor, and can also be used as a conversion control circuit. AC380V 20A: The operating voltage of the control combination switch is AC380V, the rated heating current is 20A, the power is 4kw, and the performance is stable. Specification: Item Type: Cam Changeover Switch Material: PP Working Voltage: AC380V Rated Heating Current: 20A Power: 4kw Operation Mode: Knob type Contact Structure: Normally open button section Style: 4 Terminals 3 position (012) Package List: 1 x Cam Changeover Switch Note: Pay attention to electricity safety when using. Package List 1 x Cam Changeover Switch