Garage Door Contacts Closed Circuits

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 9.

Garage door contacts closed circuits.

When the magnet and sensor separate the circuit opens. These contacts can be as far as 2 apart and still operate. I have two garage doors which means that i ll have two contact sensors one per door and i ll need control of two relays one for each opener. These contacts can be as far as 2 inches apart and still operate.

When the magnet and sensor separate the circuit opens. This set is commonly used with security systems. This set is commonly used with security systems. Smart wi fi garage door opener wireless garage door remote open and close garage door from anywhere compatible with amazon alexa google assistant 4 1 out of 5 stars 746 32 99 32.

These garage door contacts for closed circuits are used for systems that expect a closed circuit when the magnet and sensor are together. Customers who bought this item also bought. That means i needed two zigbee io devices. Security and surveillance accessories.

Camera photo. These garage door contacts for closed circuits are used for systems that expect a closed circuit when the magnet and sensor are together. So this thing provides the ability to activate two relays or monitor four contact sensors.