The D2HWBL201DL is a single-pole double-throw (SPDT) sealed ultra subminiature Basic Switch with PCB terminals (left-angled), post on left mounting structure and a pin plunger actuator. The smallest sealed snap-action switch in the industry with a very long stroke for reliable on/off action. Made of environmentally-friendly materials. The case dimensions are 78% of conventional models, contributing to down-sizing of mechanical modules.