Magnetic Door Contact Sensor

Spdt switches connect to an alarm system and to another device such as a motion detector.

Magnetic door contact sensor.

Koostone wireless magnetic door entry sensor alarm chime door open alert for shop garage window security for kids elders safety anti theft 2 secure contact sensors 1 doorbell plugin receiver 4 2 out of 5 stars 112. Magnetic contacts are perfect for use in situations where it is not suitable to fit pir sensors for example where there are pets or animals. Magnetic door contact sensor magnetic contact is used to detect opening of door gate or windows in the event of intrusion. Mount the magnet to the door or window and mount the switch to the frame.

They are cheap and reliable. Wire contacts to an alarm system to alert when doors or windows are opened. 99 5 coupon applied at checkout save 5 with coupon get it as soon as thu oct 8. They are cheap and reliable.

Bnyzwot mc 31 surface mount wired nc door contact sensor alarm magnetic reed switch white 10pcs 3 9 out of 5 stars 17 12 99 12. 99 get it as soon as fri sep 25. You can also choose from door position sensor and personal door magnetic contact. They are ideal for protecting doors windows and patio doors and any opening device such as a drawer or cupboard for example.

Resalet 2 sets magnetic reed switch alarm nc no surface mount wired contact sensor for gate garage window door security system white mc 31 13 99 13. With over 400 magnetic contact sensor models to choose from sentrol offers the most comprehensive line of door contact and peripherals available. 59 5 coupon applied at checkout save 5 with voucher free delivery sourcing map 2pcs mc 38 surface 3 5 8. Generally in comes in two components.

Such sensors consist of two parts a contact that is installed on the door window frame and an activating magnet that is mounted on the door. Magnetic contact switches are the most common sensing devices for sensing opening and closing of doors and windows. Built for durability and dependability sentrol door contacts are conservatively rated at 10 000 000 cycles ensuring long life. The alarm will activate when the magnet is pulled away by the opening door or window.

Dingln door window magnetic contact wired sensor detector switch for home garage alarm security 6 59 6.