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Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: Weihao
  • Model Number: S-250-12
  • Output Power: 201 - 300W
  • Output Type: Single
  • Input Voltage: 220V
  • Output Voltage: 12V
  • Output Frequency: 50Hz
  • Output Current: 20A
  • output protection: OLP/OVP/SCP
  • Certification: rohs CE
  • Guarantee: 2 year
  • Case material: Aluminium
  • Test: 100% full burn-in test
  • label: we can stick customer's label
  • payment term: 30% deposit
  • type: output voltage can customize to u
  • transporting: according to customer's requirements
  • Workig temperature: Over temperature protection

Packaging & Delivery

Packaging Details 20pcs/carton
Delivery Time 3 days

factory outlet CE RoHS approved 250w Switch Power Supply 12volt 20amp

performanceProduct model
DC output voltage5V12V15V24V27V48V
output voltage tolerance2%1%1%1%1%1%
Output current range0-40A0-18A0-15A0-10A0-9A0-5.2A
Ripple & noise80MVp-p120MVp-p120MVp-p120MVp-p150MVp-p200MVp-p
advance wire stability0.5%0.5%0.5%0.5%0.5%0.5%
load stability1%0.5%0.5%0.5%0.5%0.5%
DC output power200W216 W225W240W243W249.6 W
volts d.c. adjustable extent4.5-5.8V10-14v12-18v20-28v26-32v41-56v
Input voltage range 90-132VAC/176-264VACBY switch stability 47-63HZ,254-370VDC
Input current5.0A/1152.5A/230V
dash current25A/115V 50A/230V
leakage current<3.5mA/240VAC
overload protection105-135%
over-voltage protection5.75-6.75V13.8-16.2V18-21V27.6-32.4V33.7-39.2V57.6-67V
high temperature protectionRTH3 90 ºC
temperature coefficient0.03%(0-50) ºC
startup . rise . retention time800MS,50MS,16MS
antiknock characteristics10-500HZ,2G 10min/one Cyc , 60M
resistance to pressureInput output:1.5KvAC input and crust,1.5KVACoutput and crus,0.5kvAC
close resistanceInput output: input and crust, output and crust.500VDC/100M
work temperature. humidity-10 ºC - +50 ºC ,20%-90%RH
memory temperature. humidity-20 ºC - +85 ºC,10%-95%RH
outline dimension215 × 115 × 50mm
safety standardssatisfy UL1950
EMC standardsatisfy 55022, rank b


Product Description



Packaging & Shipping


 we use 4 trips to reinforce our carton,

the international standards package methods guaranteed our goods safety during transportation

we are a professional manufacturer of power supplies ,

all of our products have approved CE ROHS and ISO9001:2008


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Company Information





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China (Mainland) | Manufacturer
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