Magnetic Door Switch

Get it as soon as wed oct 7.

Magnetic door switch.

They re often used to detect when a door or window opens. 4 5 out of 5 stars 28. When i tested the switch yesterday i learned that in the case of a magnetic reed switch the word normal refers to the time when the magnet is not near the switch. Spzcdza 5sets 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.

This 120 db compact magnetic door window alarm sounds when a window or door is opened. Free shipping on your first order shipped by amazon. Free shipping on your first order shipped by amazon. When the sensor pieces come in to contact with each.

Only 4 left in stock order soon. The switch kit consisting of 2 magnetic sensor pieces that mount to the door and doorframe and 1 rocker switch works with the control unit. 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. The alarm includes entry chime setting to alert you when people children are coming and going when you re at home.

4 4 out of 5 stars 6. 5 0 out of 5 stars 2. More product details close. Get it as soon as fri oct 9.

Get it as soon as thu oct 8. Mount the switch in a stationary position such as a door frame and mount the magnet to a movable object such as the door. Spzcdza 3sets 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 3 out of 5 stars 174.

These switches actuate when a magnet comes within sensing distance and reset when the magnet moves away. 4 5 out of 5 stars 28. Uxcell rolling door contact magnetic reed switch alarm with 2 wires for n c. Mount these switches inside your enclosure to prevent it from opening when power is on actuating the switch disconnects power and releases the door.

Get it as soon as thu oct 8. 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. Spzcdza 5sets 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.