quick connect electrical connectors for von duprin removable mullions.

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Answer
The Von Duprin electrified steel mullions, 4854 and 9854 come with a quick connector that connects the electric strike wires from the mullion to the frame through the top fitting.  ...
Key removable option is not available for any of Von Duprin aluminum mullions.
The Von Duprin 4754, 4854, 9954, and 9854 mullions can be converted or ordered with key removable option. KR54-F kit is the conversion kit to convert the above mullions to key removable mullion.
Von Duprin KR (key removable) mullions requires a 1-1/8" or 1-1/4" mortise cylinder with the standard straight cam, the cam is not inverted. Please see chart below for part numbers. 
instructions
Order the 4854 mullion 'BLANK' x size x finish
Aluminum mullions 5654 or 5754 are not designed to accept any electric strike including 6300 surface mounted electric strike.