SODIAL AC660V 25A 2-Pole 3-Position Momentary Plastic Rotary Changeover Switch Blue+Black Product Name: Changeover Switch Material: Plastic, Metal Net Weight: 110g Plastic external material, 3 positions , momentary action type, 8 screw terminals, fit for 1cm panel thickness. Changeover switch mainly suitable for electrical wiring in the power switch and Squirrel cage type asynchronous motor start-up, reversing, speed switches, also can make the conversion of the control circuit.