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> Sdc 491 break glass access control northern computers
Sdc 491 break glass access control northern computers
NIB & the face plate is blue. It also comes with replacement glass plates, allen key, install/spec. sheet.
Please check this link for product spec.
http:// /docs/DBDocs/INST-491.pdf
The SDC 491 Break Glass Emergency Door Release is ideal for immediate unlocking of perimeter doors or interior work area doors that are equipped with fail-safe electric locks. 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.
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.
Local door alarm siren DPDT 10 Amp Contacts - 1
SPDT for Lock Release and 1 SPDT Auxiliary contact for Remote Monitoring, CCTV Activation or AlarmActivation.
The SDC 491 may initiate the release of an individual door or all doors connected to the 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 a 491-BB Back Box.
