Need a reliable, heavy-duty relay for your 24-volt air system or other high-power setup? The Viair 93943 40 Amp Relay is built tough and ready to handle the job.
This is a 4-prong relay rated for 40 amps at 24 volts, perfect for running Viair air compressors and other demanding 24V accessories. It comes with a handy molded mounting tab, so you can secure it neatly in your engine bay or wherever you're installing it.
The terminals are standard 1/4-inch spade connectors, making wiring straightforward. Viair recommends always running your vehicle's engine before using the compressor to prevent voltage drop and amp spikes—this relay is built to handle the load when everything's running right.
A quick tip: Use one relay per air compressor for best performance and safety. Need a wiring diagram? Check out Viair's website for detailed guides.
Whether you're upgrading your onboard air system, fixing an existing one, or adding a new 24V accessory, this relay is a simple, solid component you can trust.
