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Quick Details

  • Place of Origin: China (Mainland)
  • Brand Name: Hengfu
  • Model Number: HF320W-SC
  • Output Power: 301 - 400W
  • Output Type: Single
  • Input Voltage: 85 - 264VAC
  • Output Voltage: 3 - 48V all available
  • Output Current: 6.7 - 60A all available
  • Dimensions: 215 x 115 x 50mm
  • Enclosure: Aluminum
  • Cooling method: Built in fan
  • Approvals: UL,TUV,CB,CCC,CE
  • ROHS: compliant

Packaging & Delivery

Packaging Details: 20pcs/23kgs/0.05CBM/carton for 320W Single Output Switching Power Supply with PFC UL CE
Delivery Detail: 2~3 weeks for 320W Single Output Switching Power Supply with PFC


Used for 2008 Olympic Games
All 105C capacitors
UL,CB,CE,CCC,ROHS,ISO9001 approved
Factory 20 years experience

This model was chosen for LED display for 2008 Beijing Olympic Games opening ceremony and 60th Chinese National Anniversary Ceremony in Beijing!

320W Single Output Switching Power Supply with PFC UL CE

Product features:

1) High reliability

2) UL,TUV,CB,CCC,CE approved

3) Universal AC input/ full range

4) PF>0.98@115VAC; PF>0.94@230VAC

5) Protection: overload/ over voltage/ over temperature/ short circuit

6) 100% full load burn-in test

7) Built in EMI filter

8) Built in fan cooling, fan speed control

9) 5 years limited warranty

10) Dimensions: 215 x 115 x 50mm


AC input voltage range

85~264VAC (120~370VDC)

Input current5.0A
Input frequency47~63Hz
Inrush currentcold start, 20A/115V, 40A/230V
Input leakage current< 1mA/230VAC
Line regulation (full load)± 0.5%
Output voltage adjust range± 10%
Output overload protection105~150%, hiccup mode, auto recovery
Output over voltage protection115~150%, shut off, re-power on to recover
Withstand voltage

I/P-O/P: 3KVAC/1min, I/P-F/G: 1.5KVAC/1min, O/P-F/G: 0.5KVAC/1min

Rise time50ms@full load (typical)
Hold up time20ms@full load (typical)
Operating temperature-10°C ~+50°C
Storage temperature-20°C ~+85°C
MTBF> 100,000 hours
Safety standardsGB4943, UL60950, EN60950
EMC standardsGB9254, EN55022 class B, EN55024, EN61000-3-2,3, EN61000-4-2,3,4,5,6,8,11
Vibration10~150Hz, 2G 10min/1cycle, 30min each along X, Y, Z axes
Cooling methodfan


Model No.DC Output







HF320W-SC-5 5V60A300W0.5% ± 2% 120mV78%
HF320W-SC-7.5 7.5V40A300W0.5% ± 2% 120mV 78%
HF320W-SC-1212V 25A300W0.5% ± 1% 150mV 83%
HF320W-SC-13.5 13.5V22A297W0.5% ± 1% 150mV 83%
HF320W-SC-15 15V20A300W0.5% ± 1% 150mV 84%
HF320W-SC-24 24V13A312W0.5% ± 1% 150mV 86%
HF320W-SC-27 27V11.7A315.9W0.5% ± 1% 200mV 87%
HF320W-SC-36 36V8.8A 316.8W 0.5% ± 1% 200mV87%
HF320W-SC-48 48V6.7A321.6W0.5% ± 1% 240mV 88%


Mechanical drawing of 320W Single Output Switching Power Supply with PFC UL CE:








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