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When i tested the switch yesterday i learned that in the case of a magnetic reed switch the word quot normal quot.
Magnetic reed switch door sensor. A switch with one magnetic reed and one non magnetic one. 4 1 out of 5 stars 16. Free shipping on your first order shipped by amazon. However for an application such as a door security sensor the reed switch needs a protective shell housing for handling and mounting.
Describes various ways of making a normally closed switch. Normally closed reed switch by anthony j. 5sets magnetic reed switch magnetic door switch magnetic contact switch normally open closed nc no door alarm window security for dc 5v 12v 24v light 4 3 out of 5 stars 11 16 99 16. Reed switches have been used in laptops to put the laptop into sleep hibernation mode when the lid is closed.
Examples are door and window sensors in burglar alarm systems and tamperproofing methods. Refers to the time when the magnet is not near the switch. Reed switches actuated by magnets are commonly used in mechanical systems as proximity sensors. Find door window sensors at lowe s today.
Quite a neat summary of how reed switches are used in. Tatoko magnetic reed switch normally open closed nc no door alarm window security 6sets. Please donate if you like my material. Get it as soon as tue sep 15.
A bare reed switch can easily be mounted on circuit boards. Introduction to reed switches magnets and magnetic fields by stephen day. In the customer s garage door detector he should use the normally closed nc contacts which are open when the garage door is closed and the magnet is near the switch. 5sets magnetic reed switch magnetic door switch magnetic contact switch normally open closed nc no door alarm window security for dc 5v 12v 24v light 4 4 out of 5 stars 13 15 99 15.
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