The sdc 491 is specifically designed for emergency door release and may influence the approval of an electric locking system.
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The alarm button release emergency break glass helps to save lives in emergency situations.
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Sz 491 sdc 491 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.
Emergency break glass door switch urgent exit button release push button firm alarm switch for lock security system.
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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 491 s built in alarm may be used as a local door annunciator.
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Emergency door release switches glass break alarm button fire alarm swtich break glass exit release switch us 1 89 2 09 piece 1 4 orders nc no optional plastic emergency exit button push door button fireproof luminous white pvc access control door release button.
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The 491s built in alarm may be used as a local door annunciator.