Alarm Contacts

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Nascom B505AS/ST Man Door RX/CL Set, Black
GRI 401-B W/1K Industrial Surface Mount Switch Set, Standard Gap, Open Loop, Brown, Concealed Terminals, 1K Resistors
GRI 195-12 3/4\\" Steel Door Recessed Switch Set, Standard Gap, 5W, 175VDC, 0.25 Amp, DPDT, X 2, Gray
Bosch ISN-CMINI-10 Miniature Contacts (9.5 mm) Image of DS-ISNCMN10W
Potter ODC-56B Series Overhead Door Contact with Fixed Magnet, Form C N.O./N.C. (4410015) Image of AS-ODC56B
Altronix MM12 Mounting Magnets, 12-Pack
ADI PRO 0E-DC4811 3" Track Mount Magnetic Contact

Door & Window Alarm Contacts

Shop door and window alarm contacts for doors, windows, cabinets and perimeter security points. The collection includes magnetic and specialty contact sensors selected for common integration, replacement and expansion needs. Use the category to narrow the options around the job itself, then confirm that each product matches the equipment, cabling and environment already planned for the system.

Alarm Contacts: What to Check Before You Buy

Before selecting a model, compare contact type, gap distance, mounting style, wiring, environmental exposure and alarm-panel input requirements. The surrounding system matters just as much as the individual product, so check cabling, mounting, power and control dependencies where they apply. For upgrades, confirm that new hardware can coexist with the existing infrastructure instead of assuming backward compatibility.