EAX-500 Battery Powered Door Alarm

The Detex EAX-500 is designed for applications that require a battery-powered alarm on secured doors. The alarm, with approximately 100dB, will sound when someone attempts an unauthorized exit. The redesigned shape and smaller size of the EAX-500 makes it the choice for quick and easy installations on emergency exit and restricted doors.

  • Low cost, self-contained door alarm with 100dB piezo horn that sounds to warn unauthorized use of a door or gate
  • Secure, tamper resistant housing
  • Quick, easy installation saves time and money
  • Weatherized option available
  • Tapered cover allows for installation on narrow stile doors, 2" minimum
  • Alarm can only be silenced by proper control key
  • 9VDC battery operated with Low Battery Alert
  • Field selectable status indicators, if desired
  • Patented cam assembly automatically adjusts for different sizes of cylinders without use of spacers
  • Available in Grey or Black
    The EAX-500 may be ordered in several kit configurations:
  • SK1 Kit allows for wall mounting and includes one white MS-1039S door contact
  • SK2 Kit allows for wall mounting and includes (2) white MS-1039S door contacts
  • SK3 Kit allows for wall mounting and includes (1) brown MS-1059S door contact
  • SK4 Kit allows for wall mounting and includes (2) brown MS-1059S door contacts
  • SK5 Kit allows for wall mounting and includes (1) grey MS-2049S door contact
  • SK6 Kit allows for wall mounting and includes (2) grey MS-2049S door contacts

MS-1039S door contact catalog page
MS-1059S door contact catalog page
MS-2049S door contact catalog page

Catalog Page

The Key Stop feature adds an extra measure of security by allowing the key to be removed only when the alarm is armed. The hardware needed for installing this feature is included in the hardware kit that accompanies your exit alarm.

Detex provides two types of Key Stop for two different types of cam: the KS is used with the standard Yale style cam, while the KS2 is used with the Adams Rite small style cam.

While both the cam assemblies for the KS and the KS2 are included in the hardware kit, Detex recommends using a standard Yale style cam

My Cylindrical Lock Can Be Opened/Unlocked with a Credit Card, What do I do about it?

That is the chance you take in security if you don't use a mortise lock with a dead bolt or have a separate dead bolt on your front door. The root cause is generally too large of a gap between the edge of the door and the frame. The cylindrical lock latch has a latch guard bolt which is designed to lock the latch in place. The standard gap between the door and frame is 1/8", so if your gap is larger than that the latch guard can't do its job.

ANSI 250.8

2.1.8 Design Clearances
The clearance between the door and frame shall be a maximum of 1/8" (3.2 mm) in the case of both single swing and pairs of doors.

The small half moon to the left of the latch is the latch guard, it is held back by the strike plate in the frame. If the gap is too large and the latch guard falls into the opening of the strike there is nothing locking that latch in place.

Suggested remedies:

  1. The easiest remedy is to double up on the strike or shim the hinges, this will reduce the gap and allow the guard bolt to do its job.
  2. Replace the lock with a mortise lock with a dead bolt, the dead bolt will project 3/4" when thrown and should solve your problem. However this remedies is a bit labor intensive and if you are not handy you would be better off hiring a locksmith or handyman to do the job.
  3. Add a separate tubular or small mortise dead bolt. This solution is only for residential use as commercially by code there cannot require more than one action to egress from a space. Again you may want to hire this out, I know I would as taking a drill to any door is the last think I want to do. 1. The easiest remedy is to double up on the strike or shim the hinges, this will reduce the gap and allow the guard bolt to do its job.

What Do Kids Want and Parents Need?

Keys? How many have they lost? Phone always attached to them? No key and open your door with your phone or a PIN number���And it's really cool. �The screen looks like your smart phone, touch the face and it wakes up. �Programming is a snap, it even talks you through it. What is it? �Yale RealLiving.

Yale Real Living brings home owners a new level of security and convenience with a key less electronic offering of touch screen lever lock or dead bolt.

How hard is it to install? �Pretty easy. �There is no separate through wire whole. �Installs on an existing 161 prep. �If your existing lock is older, say from the 50's, the cross bore might be a little too small. �So just open it up a bit, mine needed to be just a little larger.

You say to good to be true? �There are two versions; one is stand alone the other connects to your home automation system.

Connected to your need a home alarm system, use your phone as your credential. �You can even unlock the door remotely.

If you don't have a home alarm system not to worry. �Same lock, same easy installation but you use a pin code to gain access.

Preview YouTube Yale Real Living Touchscreen Deadbolt Video


�The emergence of the digital home is a major catalyst for the creation of the Yale Real Living� portfolio of residential access control and home security solutions. These deadbolt and lever locks are designed to integrate seamlessly with digital control systems or provide convenient stand alone access control*.�

Yale Real Living as Part of Your Control4 System*:
  • Remotely lock and unlock doors from any web-enabled device
  • Receive text or email messages to your cell phone from� pre-programmed alerts
  • Program user access by date and time
  • Customize features such as privacy, language, and relock time
  • Confirm the status and remaining battery life

Moms and Parents have been embracing this new home technology as well, check out these links:


Challenge: Flush bolts in the inactive leave of a pair of wood doors, fire rated or particle core. The standard or most common flush bolts take quite a bit out of the corner of the door and this leads to splitting or cracking of the veneer and in extreme situations the face of door will break away from too much material taken away for the flush bolt in the inactive leaf.

This is an age old problem; most folks will stay away from wood doors and use hollow metal. However if your project needs the warmth of wood door there are solutions to this problem. We suggest using the following solution. Rockwood 2962 � the concept is to use two tube latches that engage together. You need a 1 1/8� inch bore from the top and edge of the door.

Tip: You can use a cylindrical latch bolt prep jig for this prep.

Template: click here

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