Catalog > Consumer Electronics > Kits > Smart Kits DC Polarity Reverse Switch DC Polarity Reverse Switch HKD DC POLARITY REVERSE SWITCH DC Polarity Reverse Switch. 0-24 V 13.87 ZAR inc for 1 Each 50 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview Wiring mode: There are 4 wires, two short wires are connected to the battery input and two long wires are connected to the motor; the positive and negative poles can be not distinguished. In general, reverse connection will change the direction of positive and negative rotation of the motor, but it will not affect the use. Specifications Voltage Range : 0-24 V Product Size : 19 * 24 * 29mm Fixed Aperture : 2mm Fixed Hole Spacing : 24mm