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...
The 900-2Q board is no longer available.
For warranty purposes, QEL conversion kit and 900-2RS board are required. The 900-2RS replaces the 900-2Q board.
Cam Lift Hinges are specially designed hinges used mainly on acoustical door assemblies. The Cam Lift Hinge lifts the door during its travel and seats the door bottom for a pos...
We offer a couple different HD-QEL options:Hex key dogging (HD) is now available with Von Duprin non fire rated QEL33A/35A/98/99 electric exit devices that were shipped after De...
The QEL exit devices that were shipped prior to August, 2012 will only communicate to the PS873 with 871-2Q option board or PS900 series with 900-2Q option board.
If you...
Communication takes place between the 2Q option board and the Von Duprin QEL exit device. If this communication does not occur then the device will not retract. The 900-2Q board is not ...