The APEM INC. part 3ESH9-12.0 is a high-quality Tactile Switch featuring a Normally Open (N.O.) Single Pole Single Throw (SPST) configuration. It is designed with a Round Button shape and Gull Wing terminals for easy surface mounting. This switch has a low current rating of 0.05A and a voltage rating of 24VDC, making it ideal for various electronic applications. With a 3N actuation force, this SMD switch provides reliable and responsive operation.