The 491-SC3 is a compact, single-pedal momentary foot switch designed for applications requiring a robust solution in a small package. It features a durable steel housing, a non-skid base pad for stability, and two mounting holes for rigid installation. The switch is configured with a normally open (Form A) SPDT circuit and is rated for 20 A at 125-250 VAC and 1 H.P. at 125-250 VAC. For ease of use, it comes pre-wired with a 6-foot, 16/3 cord and a 3-prong series plug. Its compact and lightweight design makes it a reliable choice for use in emergency vehicles, with tattoo equipment, and other space-constrained environments.