The current draw of a Von Duprin exit alarm ALK is .25 amp when alarm is activated.
This option is not available.  The 17 & 18 Series devices were discontinued in August 2009 and the new Falcon RX Switch is mounted to a bracket that fits in the pushpad...
ALK kit comes with standard RX switch. It can be ordered without the RX switch or with LX switch as an option.
The QEL conversion kit (3' or 4') and the RX switch kit (050251-00) can convert the 9927 to QEL-RX9927 device.
The RX switch can be installed at the factory when device is ordered or in the field with part# 650359-00. Installation instructions here will show how the RX swi...
For motor driven Chexit devices shipped from the factory after 8-24-2015, the RX switch is replaceable as part number 116717-00. Note:  A slight change to the plastic housing was ad...
For solenoid driven Chexit devices shipped from the factory prior to 8-24-2015, the RX switch is no longer available.  This part was discontinued in 2019. If the older version Chexit RX s...
The attached table shows the part numbers for LX-RX and LX-RX-LC switches field installed.
PCB only for the Alarm Kits prior to June 11th, 2012 is part #650335 and was used in the older 17 & 18 devices, 19, & pre June 2012 24/25's.
This circuit board will NOT work on the updated 24/25 Alarm Kits that released June 11th, 2012.