NKK Switches Bushing Mount Miniature Pushbutton MB2181LS1W01-BB

The MB2000 series is a line of miniature pushbutton switches with a stainless steel frame and a diallyl phthalate resin case rated UL94V-0. It offers silver or gold-contact variants rated for 6A at 125V AC, 3A at 250V AC, or 0.4VA maximum at 28V AC/DC. Mechanical life is 50,000 operations for splashproof models and 100,000 for others; electrical life is 25,000 for silver and 50,000 for gold contacts. The nominal operating force is 16.18N for 2-pole models and 25.54N for 4-pole models. It features a threaded bushing with keyway, operates from -30°C to +85°C, and splashproof versions meet IP67. Terminals include solder lugs, quick connects, and wirewrap options. The part number MB2181LS1W01-BB corresponds to a 4-pole, ON-(ON), silver-contact variant with a snap-on plunger, M12 threaded bushing, and solder lug terminals.