Use #18 gauge wire up to 200 feet maximum distance from PS900 x 900-2Q power supply to the QEL exit device. The new QEL+ no longer requires the 900-2Q board but still needs a different option board...
See below for QEL device requirements: QEL devices shipped prior to 7/23/12 must have the 2Q option board for the communication link between the power supply and the exit device. &nb...
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 ...
For most exit devices, please refer to the specific device series catalog for minimum door opening width the device can be cut down to fit.
Be aware that some device options, frame...