PU400 Series Power Supply

Product Announcement from Protek Power

PU400 Series Power Supply-Image

The PU400 series of AC-DC switching power supplies in a
package of 4 x 7 x 1.58 inches are capable of delivering 400
watts of continuous power at 7 CFM forced air cooling or 300
watts at convection cooling. The units are constructed on a
printed circuit board with a U-bracket for mechanical support
and heat sinking. A cover-and-fan assembly can be added
during manufacturing for 400 watt output without the change
of any dimension. The units are certified to IEC/EN/UL
60950-1 and suitable for data networking, computer and
telecommunication applications.


  • 4 x 7 inch footprint with 1.58 inch low profile
  • 100-240 VAC input with active PFC
  • 300 watt convection rating up to + 50℃
  • 400 watt output with 7 CFM forced air
  • Standby output 5VDC at 100mA
  • EN55022 Class B conducted emissions
  • Inhibit - TTL low to disable output
  • Standard PS Off and DC OK signals
  • Efficiency greater than 88%
  • Compliant with RoHS requirements