The D2HW-A201H Basic Snap Action Switches Subminiature by Omron is a small, single-pole, single-throw (SPST) switching device. It is a rugged, wire leaded SPDT (single-pole double-throw) switch designed for industrial, medical and home appliance applications. The D2HW-A201H has a snap-action mechanism for highly reliable switching, and is sealed against dust, dirt and moisture. It features a sealed contact design of two micro-switches, a black plastic body and a 0.3 mm foot print for easy installation. It has a rated life of 1 million cycles and a contact resistance of 100 mO maximum. It is available in a variety of configurations, including momentary, maintained, latching and pulse. The D2HW-A201H operates on voltage up to 250V AC/DC, and features gold-plated contact blades to ensure reliable and long-life operation.