Can Von Duprin QEL/EL and CX be in the same device?

You can not use these options together on the same device per the following reasons:

  1. QEL/EL device retracts the latch bolt of the exit device allowing entry.
  2. CX (Chexit) device locks the push bar of the exit device which causes the delayed egress.
  3. CX device doesn't retract the latch bolt.

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