Fangrui Product Details 220v 10a Float Switch With 4m Cables, Automatic Water Level Controller For Tank Pump Float Switch With 4m Cables, 220v 10a Float Switch Automatic Control Water Level Controller For Tank Pumpapplicationthis Floating Switch Is Suitable For Controlling The Pump Work, Adjusting The Liquid Level, And Also Can Be Installed On The Submersible Pump To Control And Protect The Motor Field Of Applicationthe Float Switch Can Be Widely Used In Swimming Pools, Barrels, Tanks And Other Containers Containing Water, Oil, Acid And Alkali In Households, Factories And Mines High Quality Materialthe Water Level Regulator Is Made Of High Quality Polypropylene, Which Has Good Airtightness, Can Prevent Leakage And Ensure Product Accuracy Easy To Usethis Water Level Regulator Is Designed According To The Principle Of Gravity And Buoyancy, It Can Be Automatically Adjusted, Easy To Operate, Easy To Install, Easy To Use Notethis Float Switch Can Be Used Directly For Motor Below 7 50w, If The Motor Is Larger Than 750w, It Is Recommended To Use An Ac Contactor