The most basic sensors of any alarm system is a door and window Surface Mount Magnetic Contact Switch. This type of contact switch is for normally closed circuits; this means that the when the magnets are lined up, the switch is closed. This type of setup is ideal for monitoring doors, windows, and sliding doors.
- Use on closed circuit systems
- UL listed for security systems
- Use on doors, windows, and sliding doors
- 3/4" operational gap
|MCM Part #:||82-13866|
|Seco-larm Part #:||SM-200Q/W|
|Package Specifications & Dimensions|
Need to Return?
|Extra Shipping Charge:||No|