Can EL be held open

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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 Falcon EL devices can be operated in a continuous duty cycle.
EL wiring harness is no longer needed with new EL potted modules.
Products shipped on or after August 8, 2012 no longer require the EL wiring adaptor. The ELK Wiring Adaptor (900ELK) was used only when using the PS914 power supply with either the 900-2RS or 900-...
To keep the Von Duprin electric latch retraction EL or QELA exit device dogged (retracted) all day, have your access control, Key pad, key switch, fire alarm contact or any other signals ...
If a door is being held open by the LCN SEM 7800/1900 magnet or any ME/SE Series Sentronic LCN closer, you can remotely release that door to close by ordering the following parts and wiring per ST ...
A Chexit device could arm when the door is open but door may not close to secure the door unless a Door Position Switch (DPS) is connected to the device then the device goes into alarm after rearm ...