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Use this switch if you'd like to turn something OFF when the two halves of your switch are apart. Commonly used with security systems.
Specifications
Use this switch if you'd like to turn something ON when the two halves of your switch are apart. Not normally used with security systems.
Same as SM-103 . Picture shows switch and magnet end to end, but normally used side by side.
This switch is unique in that it has both normally closed and normally open contacts, so if you don't know which one you need, order this one and use it either way.
Can be mounted with screws or with double sided adhesive foam tape (included).
Click Here for Detailed Catalog Specifications (pdf) Price: $5.99
This is a reed switch that can be operated as a normally open or normally closed switch. Unlike the other switches this reed switch is not enclosed with plastic - just the bare glass reed switch. A magnet (not included) is required to actuate this switch.
Commonly used with security systems, and other applications.