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Quick Details

  • Place of Origin: China
  • Brand Name: Hengfu
  • Model Number: HF300W-ST,HF400W-ST
  • Output Power: 301 - 400W
  • Output Type: Single
  • Input Voltage: 160~280VAC
  • Output Voltage: 3.3 - 48VDC
  • Output Current: 8.3~25A all available
  • Size: 241x124x65(mm)

Packaging & Delivery

Packaging Details: 12pcs/16.5kgs/0.04CBM/Carton for 300W~400W Telecom Power Supply
Delivery Detail: 2-3 weeks for 300W~400W Telecom Power Supply


Wide AC input range
Wide operating temperature
Built-in lightningproof 3000A (8/20us)
AC input failure signal (option)

300~400W Meanwell Telecom Single Output Power Supply Wider AC Input Range




Wide AC input range
Wide operating temperature
Built-in lightningproof 3000A (8/20us)
AC input failure signal (option)


Protections: overload/ over voltage/ over temperature/ short circuit


5 years limited warranty


F630 241 x 124 x 65(mm)


AC input voltage range

160~280VAC (210~370VDC)

Input frequency


Inrush current

cold start, 40A/230V

Input leakage current

<0.7mA/ 230VAC

Line regulation (full load)


Output voltage adjust range


Output overload protection

110~130%, current limiting, auto recovery

Output over voltage protection

115~150%, shut off, re-power on to recover

Withstand voltage

(gas tube must be deleted when test)

I/P -O/P: 3.0KVAC/1min

I/P -F/G: 1.5KVAC/1min

O/P-F/G: 0.5KVAC/1min

Rise time

50ms@full load (typical)

Hold up time

20ms@full load (typical)

Operating temperature


Safety standards

design meet GB4943, UL60950, EN60950

EMC standards

design meet GB9254, EN55022 classA

Cooling method





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China (Mainland) | Manufacturer, Trading Company
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