No, Von Duprin exit alarm ALK and electric latch retraction QEL or EL are installed in the same location and can't be ordered together with the same device.
SD is Special cylinder dogging in the center case of 98/99 rim and vertical rod non fire rated devices and is available with standard, EL, QEL, CX and ALK.
The Falcon Exit Alarm option was updated in June 2012 to include the following benefits.
Louder Alarm 95dbs vs 87dbs
Easier battery changes
24Vdc hardwire(HW) option included w...
The PS9 power supply was discontinued. The new exit alarm ALK can either use a 9VDC battery or 24VDC regulated power supply.
There is no direct replacement for Von Duprin PS9 power supply.
Cur...