the small electromechanical switches produced by micro switch manufacturers have been continuously developed to meet various application requirements since they came out in the 1930s; including aerospace, household appliances, boiler control, medical equipment, and spray systems , testing equipment, timers and vending machines, etc. micro switches are usually used to detect temperature, position and liquid level.
precision micro switches usually have three specifications: basic type, with operating handle, with operating handle and shell type. the micro switch adopts the design of press and spring; whether engineers are looking for residential heating or industrial the thermostat used in boiler control or the liquid level switch used in large fuel tanks need to consider the following 5 key features: dimensions, electrical requirements (voltage/current), reliability (mechanical/electrical life), environmental factors (hazardous environment, temperature range) and agency certification.