The Surface Mount Terminal Contact is designed for window and door applications where a surface mount contact is preferred. Thanks to its unique design, it is fast and easy to install. The switch and magnet are incorporated into the cover housings, and the terminal blocks are angled for easy access.

R1078/R1078C Series 1" dia. Steel Door Contact With Wire Leads

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1085 Series Screw Mount With Wire Leads

Sentrol's Surface Mount Magnetic Contacts are designed for use in installations where a small, sealed unit is required. The reed switch is totally encapsulated in Sentrol's exclusive polyurethane potting compound preventing moisture from entering the switch and causing false alarms. The 5/8" standard gap distance allows for fast, easy installation and prevents false alarms from loose fitting doors. Recessed mounting holes make for clean-looking installations. Several models are available including wide gap, SPDT, and high security.

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The 2315 Series "Snap-n-Go" magnetic contacts are designed specifically for panel or sectional style overhead doors. The unique design allows the contact to be mounted directly to the door channel, with the magnet mounted vertically on the door - off the floor and out of harm's way. The Panel Door contacts are constructed with a rugged extruded aluminum housing potted with Sentrol's exclusive polyurethane potting compound which makes the unit corrosion resistant.
For Additional Information: 2315l.l.pdf 
For Additional Information: 2315PIB.pdf 
For Additional Information: 2325_2327I.I.pdf 

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Features    Specifications    Diagrams

Sentrol's 3/8" dia. Wing Fit magnetic contact is ideal for new construction applications, where wood swell poses a potential threat to the contact housing. The "wings" flex to hold the contact securely in place as the wood expands and contracts. 
For Additional Information: 1275PIB.pdf 

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Other Magnetic Contacts Available 
These links send you to the Sentrol Magnetic Contact Pages