The Pulse Width Module (PWM) used in the solenoid driven Electric Latch Retraction (EL) devices previsously manufactured by Von Duprin and Falcon (including Doromatic) is still available as 050134-00 (as of 9/2/2025).
The PWM had replaced the older Potted Circuit Breaker used i those devices in 2012 and is backwards compatible as long as this installation is using the correct power supply (PS873 or PS914) and wire gauge.
INFORMATION PROVIDED THROUGH THIS SITE IS PROVIDED TO YOU AS IS WITHOUT ANY EXPRESS REPRESENTATIONS OR WARRANTIES OF ANY KIND, AND WE MAKE NO REPRESENTATION OR WARRANTY THAT THIS SITE(OR ANY INFORMATION PROVIDED IN RESPONSE TO YOUR INQUIRY), WILL BE ACCURATE, COMPLETE, OR ERROR-FREE.
YOU AGREE THAT YOU MUST EVALUATE ALL INFORMATION AND RESPONSES, AND THAT YOU BEAR ALL RISKS ASSOCIATED WITH, THE USE OF THIS SITE, INCLUDING ANY RELIANCE ON THE ACCURACY,COMPLETENESS, OR USEFULNESS OF ANY INFORMATION OR MATERIALS MADE AVAILABLE THROUGH THIS SITE.