The RX switch is required to activate the ALK. The RX switch monitors the pushbar and will signal the ALK to go into alarm when the pushbar is depressed. The RX switch also allows free in...
Standard 98/99 exit alarm ALK devices are available with cylinder dogging option as of October, 2011.
The device can be ordered standard with cylinder dogging and exit alarm ALK opti...
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...
The standard exit alarm ALK devices are not available with dogging option.
The device can be ordered through Engineering Special with dogging option on non fire exit devices.
This special is o...