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“ Electrictic latch retraction power requirements ”

Resolution: - AD Series and CO series products require that the Night Latch (NL) screw is installed in the exit device. Be sure this screw is installed- Exit hardware and strike must be properly mounted ...:

What power supply is needed for EL devices?

Resolution: You can use a Von Duprin PS914 power supply with any of the following option boards depending on the application. 900-2RS board will power 1 or 2 devices that do not require timing from pow...:

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 ...:

Can an EL device be ordered Fail Secure?

Resolution: 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.:

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“ Electrictic latch retraction power requirements ”

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