These general purpose switches can be either input or.
Dry contact door switch.
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.
These door contact position switches.
A series iii garage door opener will use a wall console with black button part 37222r or 37223r.
Dry contact may mean any of the following in electronics.
Magnetic contacts are low current devices that send a signal to an alarm or a supervised monitoring system when an armed door is opened.
They help keep buildings and controlled access areas secure.
Dry contact sensors are user definable and can be used to detect many different inputs such as ups status security systems air conditioning status.
Usually some other contacts or devices have the job of starting or stopping the primary.
2xnc no combined magnetic switch door sensor door contact dry contact open circuit on.
Get it as soon as tue sep 22.
A genie or overhead door series iii garage door opener can be identfied by the wall console.
1 pcs white recessed door contacts nc security alarm window sensors with magnetic reed switch.
Free shipping on your first order shipped by amazon.
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A dry contact is the synonym of volt free it is not wetted by a voltage source dry contact can refer to a secondary set of contacts of a relay circuit which does not make or break the primary current being controlled by the relay.
The dry contact sensor is a simple connection to burglar alarms fire alarms or any application that requires monitoring by the sensorprobe.