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Signal switch and latch retraction
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Question
Answer
What is needed to keep the EL device retracted all day?
Resolution:
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 ...:
Is there a Von Duprin conversion kit to change mechanical to electric latch retraction (QEL) in the field?
Resolution:
Followings are the list of the electric latch retraction (QEL) kits:114317-00QELA Modular Conversion Kit040061-00QELA Modular Conversion Kit w/CON958002-00HD-QELA Modular Conversion Kit040062-...:
What is the difference between Von Duprin LX and/or RX switches and the Signal Switch SS option?
Resolution:
The RX monitors the push bar while the LX monitors the latch bolt of the exit device. A SS device has an LX and a key cylinder switch plus an emergency push bar signage.:
Can the Von Duprin exit alarm ALK and electric latch retraction QEL or EL device be in the same device?
Resolution:
No, Von Duprin exit alarm ALK and electric latch retraction QEL or EL are installed in the same location and can't be ordered together with the same device.: