The BZ series snap action switch, commonly known as a micro switch, is a type of momentary contact switch designed for simple or precise on/off operations. These switches are widely used in applications such as irrigation systems, semi-trailer trucks, timing devices, office equipment, test instruments, medical and dental equipment, HVAC systems, manually operated devices, and valves. The BZ-2RW863-A2 model from Honeywell features an elongated mounting hole for easier and more accurate installation. It boasts a long mechanical life of up to 20 million cycles at 95% survival rate.