2 Sets MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch

Price: $9.99
(as of Mar 05, 2023 15:19:01 UTC – Details)

【Function】: NC (normally closed); when the magnets are together, the circuit is on – the light is on; when the magnets are separated, the circuit is not conductive – off. NC means normally closed. These are used with all commercial or residential card access control systems and all security burglar alarm systems.
【Installation】: Normally closed miniature magnetic door contact reed switch with two screw terminals for connecting alarm system wires, very easy to install.
【Application】: Magnetic door contact reed switch, can be used for door alarm sensor, siren, etc., very suitable for wooden doors or windows in homes and factories. Effective against theft.
【Package】: 2 Sets x MC-33C Magnetic Door Contact Reed Switch; here is our 90-Day Money Back Risk-Free Purchase Guarantee, › See more product details