Emergency door release break glass units allow personnel to unlock perimeter and interior doors equipped with fail safe electric locks in the case of emergency.
Break glass emergency door release.
Common installations for break glass units include public buildings e g.
The sdc 491 emergency door release break glass station provides immediate unlocking of perimeter doors or interior doors that are equipped with fail safe electric locks.
This is a short video on how to reset a green emergency door release unit.
The 491 s built in alarm may be used as a local door annunciator.
Break glass fire alarm emergency door release button switch control access switch emergency exit door lock release for access control 5 99.
If you require any further advice on fire alarm call points and emergency door releases call our experts on 03447 8888.
Emergency door release glass break fire alarm button emergency switch exit button access control us 2 50 piece.
Green plastic ip rating.
Com no nc change over contacts contacts rating.
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Edr asp 21 emergency door release double pole green break glass product features fitting.
The sdc 491 is specifically designed for emergency door release and may.
This emergency break glass switch cuts the circuit immediately and opens or disables the door locking.
The 491 s built in alarm may be used as a local door annunciator.
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The exit break glass is a vital component that helps quick evacuation during fire detection or any other emergency situation where the operation of access control systems need to be disabled.
Flush and surface type.
Stainless steel door release switch emergency exit button for access control system us 2 50 piece.
490 emergency door release series the sdc 491 emergency door release break glass station provides immediate unlocking of perimeter doors or interior 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.
Green break glass units are necessary as a safety device to mechanically break a circuit in the event of an emergency.
Internal use only pole.
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8amp 30v dc 50vac sizes.
When magnetic locks are used to secure an exit or entry door these units must be installed to allow safe exit from the building.