Littelfuse CVR Series Rheostat Switches offer a 12VDC or 24VDC voltage rating, 3 or 4 detent positions, and snap-in mounting. These automotive rheostat switches are made with durable thermoplastic materials and silver-plated brass terminals for reliable operation. The front-panel-mount dimmer switch is available with or without white backlighting, ensuring these switches are ideal for vehicle lighting control. Littelfuse CVR Series Rheostat Switches are suitable for commercial vehicles, construction equipment, agricultural equipment, and work trucks.