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Uxcell Door Window No/Nc Recessed Security Contact Sensor Alarm Magnetic Reed Switch

A partire da 8,34 $
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Uxcell Door Window No/Nc Recessed Security Contact Sensor Alarm Magnetic Reed Switch

Disponibilità

Harfington

NO NC type designed for use with alarm systems. Great for use in family and factory window, door. e…

Prezzo
8,34$
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Uxcell Door Window No/Nc Recessed Security Contact Sensor Alarm Magnetic Reed Switch

NO NC type designed for use with alarm systems. Great for use in family and factory window, door. etc.Switch Type: NC means Normally Closed:When the magnet together, the circuit is conductive( light on ); when the magnet separate, the circuit is not conductive ( light off ). Switch Type: NO(normal open type), NO means Normally Open:when the magnet separate, the circuit is not conductive( light on );When the magnet together, the circuit is conductive ( light off ).