Normally Closed Magnetic Door Switch

2 surface mount rectangular switch.

Normally closed magnetic door switch.

Put another way if you have a meter capable of displaying when it sees a closed circuit short or an open circuit and you attach the meter to the wires or screw terminals for the contact with the magnet next to the contact the normal position if you read an open then the device is normally open and if you read a short then the device is normally closed. They re often used to detect when a door or window opens and can be used with movable machine guards. The internal switch is closed when the magnet is against the switch. No normally open means that the internal switch is open when the magnetic module is against the switch module door is closed.

Round magnetic normally open. Mount the switch in a stationary position such as a door frame and mount the magnet to a movable object such as the door. 2x magnetic reed switch normally open closed nc no door alarm window security magnetic door switch magnetic contact switch reed switch to dc 5v 12v 24v light white 4 1 out of 5 stars 8 8 99 8. An accessory for any sensaphone remote monitoring system the magnetic reed switch adds physical security monitoring to your location.

Nc switches are the opposite. 2x magnetic reed switch normally open closed nc no door alarm window security magnetic door switch magnetic contact switch reed switch to dc 5v 12v 24v light black 4 2 out of 5 stars 15 9 99 9. Kwikee large rectangular magnetic door switch black. All are rated ip67 for protection from washdowns and temporary submersion.

2x magnetic reed switch normally open closed nc no door alarm window security magnetic door switch magnetic contact switch reed switch to dc 5v 12v 24v light black 4 2 out of 5 stars 15 9 99 9. 2x magnetic reed switch normally open closed nc no door alarm window security magnetic door switch magnetic contact switch reed switch to dc 5v 12v 24v light white 4 3 out of 5 stars 11 8 99 8. All mounting hardware included for easy installation. Adds alarming for intrusion or unauthorized entry to your monitored conditions.

2sets magnetic reed switch normally open closed nc no door alarm window security magnetic door switch magnetic contact switch reed switch for gps alarm or other device dc 5v 12v 24v light 4 2 out of 5 stars 119. 4x cabinet lamp switch wardrobe touch switches drawers open on close door applicable to 12v 24v 110v black.