Round magnetic normally open.
Magnetic door switch normally open.
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 10 16 99 16.
Mount these switches inside your enclosure to prevent it from opening when power is on actuating the switch disconnects power and releases 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.
What this means is if you have a magnetic contact usually consisting of a reed switch inside a plastic housing and a separate magnet in a matching plastic housing connected to a door when the door is closed the reed switch within the contact is closed and when the door is opened or the magnet and the contact are separated the reed.
Black 4 plated plunger normally open.
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.
Gtiwung reed switch gps 14a 14mm plastic anti interference normally open magnetic control switch reed contact normally open n o magnetic induction switch 2 5mm 14mm 4 4 out of 5 stars 6 6 99 6.
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 3 out of 5 stars 155.
2 surface mount rectangular switch.
In other words you wire this switch up to a door when the door is closed and the magnet is touching the alarm system would be on.
When i tested the switch yesterday i learned that in the case of a magnetic reed switch the word quot normal quot.
Refers to the time when the magnet is not near the switch.
And when you open the door the alarm system would be off if you have any questions please email me before buying.
Door switches large rect magnetic door switch black 1 surface mount rectangular switch.
N c means normally closed or if you have a magnet touching the motor or led would be off.