Abrégé

An environmentally protected switch and water activated device using the switch is disclosed. The switch comprises an elongate housing having an open end and divided into a pair of chambers and into which a probe is inserted. When water infiltrates the housing an electrical circuit is completed between the two probes. There is also disclosed a lens/selector assembly comprising a selector ring encircling a lens and a wave spring which biases the selector ring into one of a number of predetermined positions around the lens. Illustratively, a magnet is placed within the selector ring a position of which can be detected by electronics within the lens.

Classes IPC  ?

• H01H 29/16 - Interrupteurs comportant au moins un contact liquide actionnés en plongeant le contact solide dans le fluide de contact stationnaire
• H01H 35/00 - Interrupteurs actionnés par le changement d'une condition physique
• G08B 21/08 - Alarmes pour assurer la sécurité des personnes réagissant à un état anormal d'une masse d'eau