4 3 out of 5 stars 174.
Magnetic door switch.
Free shipping on your first order shipped by amazon.
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.
Get it as soon as thu oct 8.
Get it as soon as wed oct 7.
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 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.
Get it as soon as thu oct 8.
These switches actuate when a magnet comes within sensing distance and reset when the magnet moves away.
Get it as soon as fri oct 9.
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.
5 0 out of 5 stars 2.
Get it as soon as wed oct 7.
Mount these switches inside your enclosure to prevent it from opening when power is on actuating the switch disconnects power and releases the door.
Free shipping on your first order shipped by amazon.
Automatic door switches hardwire these switches to automatic door openers electromagnetic locks and electric strikes and your door will open at the touch of a button or the wave of your hand.
Uxcell rolling door contact magnetic reed switch alarm with 2 wires for n c.
Xin sheng 110v wired door magnetic switch clostet switch.
Only 4 left in stock order soon.
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.
4 5 out of 5 stars 28.
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.
4 5 out of 5 stars 28.
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.
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.
More product details close.
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.