top mounted float operated suspended and tilting float switches principle of operation a pear shaped float weighted at its upper end is suspended inside a vessel on the end of a flexible cable. as the liquid level rises the lower end of the float is supported by the fluid, the float tilts and operates a micro switch inside it (not a mercury switch) material specification customized suiting to the service (fluid) and temperature.available in ss 304/ ss 316/ pp/ pvdf