Description
The
SDC 491
Break Glass Door Release Emergency Exit
provides immediate unlocking of perimeter doors or interior doors that are equipped with fail-safe electric locks.
The 491’s built in alarm may be used as a local door annunciator. The SDC 491 is specifically designed for emergency door release and may influence the approval of an electric locking system. This type of Emergency Door Release may be preferred over a pull station since greater commitment is required to break the glass.
Features:
Aluminum rod for striking the glass is included. (Not required to break the glass.)
Blue painted finish with easy to read Activation Instructions avoids confusion with red Fire Alarm stations.
Includes (2) SPDT 10 Amp Contacts – 1 SPDT for Lock Release and 1 SPDT Auxiliary contact for Remote Monitoring, CCTV Activation or Alarm Activation.
The SDC 491 may initiate the release of an individual door or multiple doors connected to an Electric Locking System.
The SDC 491 may be flush or recessed mounted in a 2” deep single gang box or double gang box with plaster ring cover. It may be surface mounted with an optional back box
491-BB.
Two replacement glass plates included. For additional replacements order
491-GL.
Contacts:
2-SPDT 10 Amp Contacts; 1-SPDT for lock release and 1-SPDT auxiliary contact for remote monitoring, CCTV activation or alarm activation
Aluminum Rod:
For striking the glass is included.
(Not required to break the glass)
Replacement Glass Rods:
2 Replacement glass rods included
Dimensions:
4.75” H x 3.25” W x 1.375” D
Downloads:
Data Sheet
Installation Manual
