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overhead door contact1/4 reset contact contactreset mount door contactoverhead reset door contactoverhead door contactsurface mount contact

Magnetic contacts are the first line of defence in the burglar alarm industry. They are inexpensive, very reliable, and in most cases out of sight. While PIR's and other interior detectors are an excellent back up, it is the contact that immediately triggers the alarm system when the door or window is open.

Contacts should be used on all entry sights because a PIR will pick up the intruder after they are inside.

A reed switch is the heart of a magnetic contact. It is nothing more than a simple switch that turns on and off with a magnet. When you put the magnet near the reed the two blades inside the glass will close at the same time. When the magnet is withdrawn the reed blades will open causing the circuit to open and the alarm to be triggered.
When installing contacts remember the best gaps come when you mount the reed and magnet in parallel or head to head. You can also align the reed side and magnet in an "L" position. Always avoid putting a magnet and reed in a "T."

A variety of sizes and styles make magnetic contacts ideal for easy installation in virtually any residential or commercial application.

Click for ASC  fast  contact reference chart

Complete Honeywell Magnetic contacts chart

For any contact you may need not presented  here send e-mail
If you prefer any particular color , please let me know.


•Sentrol 1145   •GRI 50F-12   •Nascom N25   •Ademco 943


 

1/4 RESET CONTACT
• ADEMCO 941 / MPS5   • Aleph DC-1611, DC-1631  
• GRI 50R-12, 50RF-12   • Sentrol 1055

 

 

STUBY 3/8 RESET
•Sentrol 1125   •GRI 20RS-12   •Nascom N-175N   •Tane STB-10  
•Aleph DC-1651   •Ademco 951
Regular 3/8 RESET
•Sentrol 1075   •GRI 2020-12   •Nascom N-75   •Tane TAP-10   •Aleph DC-1621   •ADEMCO 944

 

39 style contact surface mount
SURFACE MOUNT
•Sentrol 1085T,1285T  •GRI 29A   •Nascom N-85T   •Tane SM35  
•Aleph DC2541  •Ademco 7939

 

 

 

Surface Mount 940 STYLE

•Sentrol 1085T   •GRI 29A, 129A   •Nascom N285T  
•Aleph PS-1523

Attractive cover keeps mounting screws, terminal screws, or EOL resistor hidden   • Standard gap: 3/4"   • Complete with spacers and mounting screws


 
OH door contact
 

OH DOOR CONTACT
•Amseco ODC59A   •Sentrol 2202AU,2202A   •GRI 4532/4532L   •Ademco 958

RESET 1" OR 3/4" FOR METAL DOOR


 

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© Copyright 1997- 2010
Information in this document is subject to change without notice.
Other products and companies referred to herein are trademarks or registered trademarks of their respective companies or mark holders.
UPDATE 01-Jan-2010
MMC&S Inc.

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