... length:54mm Cer: ISO9001,RoHs Delivery: 1000 pcs 14days liquid float level sensor Advantage and applications Classic design,compact size;Choice ... When the magnet is moved away, the contacts demagnetize and separate, breaking the circuit.In a float switch, the magnetic reed switch ... on the bottom clip and closed when the float rises.Properly used, float switches can deliver millions of on/off cycles ...