The Honeywell 21SM144 is a MICRO SWITCHâ„¢ Subminiature Basic Switch featuring a Single Pole Double Throw (SPDT) configuration with a 5A 250Vac rating. It offers a maximum operating force of 0.83 N [3.0 oz] and is equipped with a pin plunger actuator for precise operation. This switch is designed with thru-hole solder termination for easy and secure connection, and has 9.5mm [0.38 in] mounting centers for convenient installation. The 21SM144 is UL, CE, CSA, and ENEC certified, ensuring it meets the highest quality and safety standards for a variety of applications.