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Protecting Roof Entry - Protecting Drop-Down Stairs - Attic Entry

APPLICATION Often the entry door from the garage to the house will be alarmed and the garage door will be left unsecured. An intruder can gain access to the garage door, enter the attic via the drop-down stairway, cut a hole through the ceiling between the joists, and drop into the house, all without triggering the alarm. INSTALLATION Position Sentrol switch on stairway frame, and magnet on drop-down portion of the stairway. There must be no interference to stairway mechanism from switch or magnet. Permanently attach Interlogix switch to frame, and temporarily attach magnet to stairway with masking tape. Connect ohmmeter to switch lead, close stairway, and test for continuity. Permanently attach magnet to stairway. Connect switch leads to alarm loop. Note: A Sentrol surface mount switch like 2505A-L may be used. For high-security and wide gap switches, labels on switch and magnet must read in the same direction. Also, observe minimum and maximum gap distances for high-secu

Aluminum Housing Armored Cable Wide Gap - 2500 Series

Interlogix 2500 series is designed to be installed in commercial and industrial environments where a rugged sealed unit is required. It is ideal for metal doors, overhead doors, fences and gates. Each model features a high strength extruded aluminum housing and is completely encapsulated in our exclusive polyurethane potting compound. GE Interlogix 2507A-L series feature wide gap distances and several models to meet any application need. Jacketed lead or armored cable is available. Applications • Mounting brackets available for gates, garage doors, freezers • Rugged construction for long life • Convenient surface mounting • 2507AH is polarity-sensitive with reference to magnet direction General Specifications Enclosure - Brushed anodized aluminum with ABS plastic end caps (L) Temperature Range - -40°F to 150°F (-40°C to 65°C) Environmental - Hermetically Sealed Reed Switch Encapsulated in Polyurethane NEMA Rating - 1, 2, 3, 4, 4x,  5, 6, 12 Protection Class - IP 67