Does anyone know if there is a power factor correction module available that can
be fitted externally onto an existing power supply to enable it to pass the EN
61000-3-2 standard?  We envision a module that would be installed between the AC
mains source and the AC input to the power supply.  The supply is a
custom-designed switched mode supply and the product it goes into is such a low
volume that we don't want to redesign the power supply front end to add PFC
unless we absolutely have to.   The supply operates at 230V/50Hz single phase
and is rated for 600W.

Jim Hulbert
Senior Engineer
Pitney Bowes



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