The SDC 492 emergency door release pull station with built-in alarm provides immediate unlocking of one door or all doors on the same circuit while providing local annunciation. The use of the 492 emergency door release may also influence the approval of a locking system installation. Features include 2-SPDT dry contacts, internal alarm and blue finish that is different from fire alarm stations. Auxiliary contacts may be used for remote annunciation. Information:

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