alk kit hardwired

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Exit alarm ALK operates with 9VDC battery and doesn't required a power supply.If you choose to hard wire the exit alarm ALK use the PS902 power supply.Exit alarm ALK requires 24VDC regulated power ...
No, the Von Duprin ALK alarm kit can only be operated with a 9 volt battery or 24 volts DC hard-wired power.  
The Exit Alarm takes a 1 1/8" Mortise cylinder with a straight cam. See first page of Exit Alarm inst below. Exit Alarm inst
The current draw of a Von Duprin exit alarm ALK is .25 amp when alarm is activated.
Followings are the reason for 98/99 exit alarm ALK not sound when push bar is activated. Make sure key switch on exit alarm ALK is turned on, wait for 20 seconds before you activating the pushba...