The Y78B22310FP is a snap-action switch manufactured by C&K as part of their KSC series. This surface-mount switch is an 1PST (1-pole, single-throw) switch with a quick-connect terminal. The rated electrical characteristics are 125VAC at 3A, 250VAC at 1.5A, and 10W. It also has a mechanical life of 10,000 cycles min and 100,000 cycles max. This switch is typically used in applications such as home appliances, medical equipment, communications, and automation.