The float switch is a simple structure, easy to use level control device, it does not need to provide power, there is no complex circuit, it is than the general mechanical switch volume is small, long working life, and other advantages. Float switches are widely used in the shipbuilding industry, generator equipment, petrochemical industry, food industry, water treatment equipment, dyeing and finishing industry, hydraulic machinery, etc. One-stop Industrial Automation shop will give you a detailed introduction to how float switches work and its working principle.