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The Detex EAX-500 is a low-cost, self-contained battery-powered exit alarm that sounds a 100 dB piezo horn when a monitored door or gate is used without authorization. Fully self-contained on 9 VDC battery power with a low battery alert, it mounts to the door or the wall, and its tamper-resistant housing with a tapered cover installs even on narrow stile doors.
Arming is straightforward: LED and audible indicators confirm the armed state, an intelligent circuit senses the external magnet location and sets door handing automatically, and the alarm can only be silenced by the proper control key. The model name carries the behavior - EAX-500 is the extended bypass version (alarm sounds until manually turned off) with a 15 second arming delay; other digits order auto re-arm timers of 2, 10, or 20 minutes and 1 or 5 second delays.
Options build onto the base unit: gray (standard) or BK black housing, a W weatherized version for outdoor gates, MC65 mortise cylinder or IC7/IK7 interchangeable-core housings, KS factory-installed key stop, SK1-SK6 wall-mount surface kits with door contacts, and an SI status indicator, with the standard red and white lettered English signage. Backed by a 3 year limited manufacturer warranty.
Features
- Self-contained door and gate alarm with a 100 dB piezo horn.
- 9 VDC battery operated with low battery alert - no wiring required.
- Alarm silenced only by the proper control key.
- LED visual and audible arming indicators; test/reset function.
- Intelligent circuit senses the external magnet location and sets door handing automatically.
- Durable, tamper-resistant housing; door mount or wall mountable.
- Tapered cover fits narrow stile doors.
- Extended bypass operation with 15 second arming delay (this model); auto re-arm versions orderable.
- Weatherized version available for outdoor gates.
- 3 year limited manufacturer warranty.
Specifications
General
- Function
- Self-contained battery-powered exit alarm for doors and gates
- Alarm
- 100 dB piezo horn; audible and visual (LED) indication
- Power
- 9 VDC battery with low battery alert
- Operation (this model)
- Extended bypass - alarm must be manually turned off; 15 second arming delay
- Control
- Key controlled; alarm silenced only by the proper control key
- Mounting
- Door mount or wall mount; tapered cover suits narrow stile doors
- Handing
- Automatic - circuit senses the external magnet location
- Signage
- Red with white letters, English
- Color
- Gray standard; BK black optional
- Warranty
- 3 year limited manufacturer warranty
Ordering Guide
- Model Digits
- EAX-5xy: x = bypass (0 extended/manual off; 2/3/4 auto re-arm after 2/10/20 min; 5 manual re-arm after delay), y = arming delay (0 = 15 s, 1 = 1 s, 2 = 5 s)
- W
- Weatherized version (not available with SK1-SK6 surface kits)
- Cylinder
- Leave blank if provided by others; MC65 mortise cylinder; IC7 7-pin IC housing (core not included); IK7 InstaKey housing (core not included)
- KS
- Key stop, factory installed
- SK1 / SK2
- Wall mounting kit with one / two MS-1039S door contacts
- SK3 / SK4
- Wall mounting kit with one / two MS-1059S door contacts
- SK5 / SK6
- Wall mounting kit with one / two MS-2049 door contacts
- SI
- Status indicator on
Certifications and Compliance
- ANSI/BHMA A156.29
- Exit locks and alarms standard
- UL
- Listed
Frequently Asked Questions
- What does the EAX-500 do?
- It arms a door or gate and sounds a 100 dB alarm when the opening is used without authorization - fully battery powered, so no wiring is needed.
- How is the alarm silenced?
- Only with the proper control key - it cannot be hushed at the door without one. This EAX-500 model keeps sounding until manually turned off.
- What do the model digits mean?
- EAX-5xy: the first digit sets bypass behavior (0 = extended, manual turn-off; 2/3/4 = auto re-arm after 2/10/20 minutes; 5 = manual re-arm), the second sets the arming delay (0 = 15 s, 1 = 1 s, 2 = 5 s). The EAX-500 = extended bypass, 15 second delay.
- Can it be used outdoors on a gate?
- Yes - order the W weatherized version. Note the SK1-SK6 surface kits are not available on weatherized units.
- Do the cylinder options include a core?
- The MC65 is a complete mortise cylinder; the IC7 and IK7 are housings only - the interchangeable core is not included. Leave the cylinder blank if the cylinder is provided by others.
- What do the SK surface kits add?
- Wall mounting hardware plus magnetic door contacts: SK1/SK2 with one or two MS-1039S, SK3/SK4 with MS-1059S, SK5/SK6 with MS-2049 contacts.
- Does handing matter at install?
- No - the circuit senses the external magnet location and sets door handing automatically.
