Normally Closed Magnetic Door Switch

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.

Normally closed magnetic door switch.

Nc switches are the opposite. No normally open means that the internal switch is open when the magnetic module is against the switch module door is closed. Adds alarming for intrusion or unauthorized entry to your monitored conditions. The internal switch is closed when the magnet is against the switch.

An accessory for any sensaphone remote monitoring system the magnetic reed switch adds physical security monitoring to your location. 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. All are rated ip67 for protection from washdowns and temporary submersion. Black 4 plated plunger normally open.

They re often used to detect when a door or window opens and can be used with movable machine guards. Mount the switch in a stationary position such as a door frame and mount the magnet to a movable object such as the door. 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.

Kwikee large rectangular magnetic door switch black. 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. Can be mounted to any door or window to detect an opening or closing event. 2 surface mount rectangular switch.

Round magnetic normally open. 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.