Progressive Dynamics Transfer Switch

Progressive Dynamics product page


From their website:
"Progressive Dynamics, Inc. is a privately owned corporation, established in Marshall Michigan in 1964. Its initial product was a high-quality LP gas regulator manufactured for use in recreational vehicle heating and cooking systems. Since 1968, PDI has been producing power converters and battery charging systems for the RV industry. In 1969, we introduced our first series of 12-volt interior lighting products the PD760 Series. Since that time we have introduced several series of interior lighting products designed for both the RV and Marine industries..."

They are the supplier to Newmar for Transfer Switches in lower coach models. The King uses the SurgeGuard.

For more information go to Progressive Dynamics' web page:

and see their Switches, more specifically, here

Common Product: PD52DCS & PD52S 240 VAC 50-Amp Automatic Surge Protected Transfer Switch - "The Silent ATS"

[The Ops guide below can be used for understanding failures.]