This Unimax 2HLD-1 push button switch is robustly built and features a normally open or normally closed connection.
Rated 20A, 125/250/480V;10A, 125VAC "L";2HP 250VAC.
Body of switch is approximately 2" x 0.67" x 0.80" (excluding push-button). Push-button sticks up about 0.5" from body and is 0.3" in diameter. Has a nice tactile feel and audible click sound when pushed. New old stock inventory.