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Door & Window Sensors

Napco Gemini Door & Window Sensors

All magnetic contacts are not created equal. Sentrol truly is the leading brand in magnetic contacts, manufacturing the best-known, highest-quality contacts in the security industry. Sentrol has developed a range of innovative designs, helping assure complete reliability even in the most difficult environments. Today, we offer the industry's most comprehensive line of contacts and peripherals available, so you'll always have the right solution for every application. More...

1275 3/8" dia. Wing Fit Magnetic Contacts

1275 3/8" dia. Wing Fit Magnetic Contacts

GE Security 1275 3/8" dia. Wing Fit Magnetic Contacts

The Sentrol 3/8" diameter 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.



3005 Roller / Plunger Magnetic Contacts

3005 Roller / Plunger Magnetic Contacts

GE Security 3005 Roller / Plunger Magnetic Contacts

The Sentrol Roller Plunger contacts save installation time while providing reliable magnetic contact security. The contact switch is activated when the door opens, releasing the tension on the wheel plunger. Drill only one hole to mount the roller plungers; the entire magnetic contact is housed in a economical single unit. Recessed mounting hides the contact within the frame of the door it protects.