Hengfu Switch DC Power Supply UL CE Approved

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1 Piece/Pieces (Min. Order)
Supply Ability:
200,000 Piece/Pieces per Month
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Quick Details
Place of Origin:
China (Mainland)
Brand Name:
Model Number:
HF240W-SF series
Output Power:
201 - 300W
Output Type:
Input Voltage:
115/230VAC selected
Output Voltage:
3 - 48V all available
Output Current:
5~40A all available
199 x 110 x 50mm
Packaging & Delivery
Packaging Details
20pcs/20kgs/0.05CBM/carton for Hengfu Switch DC Power Supply UL CE Approved
Delivery Time
2-3 weeks for Hengfu Switch DC Power Supply UL CE Approved


High reliability
All 105C capacitors
Japanese brand key components
UL,CE,ROHS,ISO9001 approved
Factory 20 years experience

 Hengfu Switch DC Power Supply UL CE  Approved

Product features:

1) High reliability

2) UL, CE approved

3) 115/230VAC input selected by switch

4) 100% full load burn-in test

5) Built in EMI filter
6) Over current/ over voltage/ short circuit protection

7) Convection cooling

8) 5 years limited warranty

9) Dimensions: 199 x 110 x 50mm


AC input voltage range

85~132/170~264VAC selected by switch

Input current4.8A/115V, 2.4A/230V
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 protection110~130%, shut off, re-power on to recover
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 ~+40°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 methodfree air cooling. If used in confined space, external fan cooling is requested


Model No.DC Output







HF240W-SF-5 5V40A200W0.5% ± 2% 100mV 79%
HF240W-SF-7.5 7.5V30A 225W0.5%± 2% 100mV80%
HF240W-SF-1212V 18A216W0.5% ± 1% 120mV 83%
HF240W-SF-1515V15A225W0.5%± 1% 120mV85%
HF240W-SF-24 24V10A240W0.5% ± 1% 150mV 85%
HF240W-SF-30 30V8A240W0.5% ± 1% 150mV 86%
HF240W-SF-36 36V6.6A 237.6W0.5%± 1%150mV86%
HF240W-SF-48 48V2.2A240W0.5% ± 1% 150mV 87%



Mechanical drawing of Hengfu Switch DC Power Supply UL CE  Approved: