el security indicator

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L9496 is a Privacy mortise lock with “Occupied” Indicator. Knob/lever retracts latchbolt from either side. Deadbolt thrown or retracted by key outside (retraction by key required in the event ...
Use a normally closed fire alarm as the input to the power supply option board (PS873-2 or PS914-2RS), this will hold the latch retracted.  During a fire alarm, the contact will open, dropping...
The new motor driven ND electrified locks shipped after March 14, 2016 do not require a solenoid. The Schlage ND-Series electrified locks shipped prior to March 14, 2016 would have used a...
This is not possible as an EL device is an electric latch retraction and requires power to unlock the door thus only available in Fail Secure.
Von Duprin offers two options:   The CDSI/HDSI Dogging Indicator provides an at-a-glance verification of the status of the door from inside of the room. Visible “LOCKED” and “UNLO...
The Von Duprin PS914-2RS retracts the EL or QEL device approximately 200 times with five second hold time after each pull.