The stem of these miniature liquid level switches contains a hermetically-sealed reed switch. The float contains a permanent. As the float rises of falls with the level of the liquid, the reed switch is activated by the magnet models, the operation of the switch, normally open or normally closed, is easily changed by removing a retainer and inverting the float.
Reliability/long switch life
Can be used in a wide range of liquids
Standard models to +120℃
Typical applications include automatic vending machines, photocopiers, small collection tanks, miniature pumping stations, pilot plants and similar small--system applications.