The Velvac 12V 40A Heavy Duty Relay Kit is the perfect solution for powering high-voltage accessories such as fans, power windows, and fog lights. This kit includes a heavy duty relay, switch, switch mounting plate, 20' of 14-Gauge wire, and terminals, ensuring that your lighting and accessories have access to the most power possible. With a current rating of 40-amps, this kit is suitable for use in harsh environments and is designed to provide reliable performance. FleetPride is your First Click in Heavy Duty®.