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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: YYOSS
  • Model Number: S-350-12
  • Output Power: 301 - 400W
  • Output Type: Single
  • Input Voltage: 170~264VAC
  • Output Voltage: 12VDC
  • Output Frequency: 47~63HZ
  • Output Current: 16.67A
  • Warranty: 2 Years
  • Waterproof level: IP20
  • High efficiency: 91.5%
  • Package: Standard Export Packing
  • Protection: SCP/OVP/OPP/OTP
  • Case material: Metal housing
  • Certificate: CE,ROHS
  • Life span: 50000hrs
  • Application: Suit for LED lighting and moving sign application
  • MTBF: 250Khrs

Packaging & Delivery

Packaging Details Standard Export Packing.15pcs/ctn

350W  29A/12v switch power supply

• Model: S-350-12

• DC Voltage:12VDC

• DC current: 29A

• Rated power: 350W

• Input power:170~264VAC

• Efficiency: 87%

• Size:214*114*50mm (L*W*H)    

• Warranty: 2 years

• Packing:0.7kg/pcs

Product Description
S-350 SeriesS-350-5S-350-12S-350-24
DC Voltage                     (Note 1)5VDC12VDC24VDC
Current Range0~70A0~29A0~14.5A
Rated Power (Max)350W350W350W
Ripple and Noise (Max)  (Note 2)200mVp-p300mVp-p350mVp-p
Voltage Tolerance       ±3.0%±3.0%±3.0%
Line Regulation              ±3%±3%±3%
Load Regulation         ±3%±3%±3%
Set-up, Rise Time1000ms, 80ms/230VAC,  1500ms 80ms/110VAC at full load
Hold-up Time100ms/230VAC,  45ms/110VAC at full load
Voltage Range90 ~ 132VAC / 170 ~ 250VAC selected by switch 
Frequency Range47~63Hz
Efficiency                        (Note 3)80.0%87.0%88.0%
AC Current110VAC / 5.0A;  220VAC / 1.5A
Inrush CurrentCold Start at 70A/230VAC, Input at Ta: 25℃ cold start.
Leakage Current<0.5mA at 230VAC, 60Hz Input
Over-VoltageAbove 105%, Hiccup mode, recovers automatically after faulty problem is removed
Over-load110% ~ 130%.  Protection:  Shut off
Short CircuitHiccup mode, recovers automatically after faulty problem is removed
Over-temperature75℃±10℃ (Shut down O/P voltage, re-power on to recover)
Working Environment   -20℃ ~ +40℃    
Working Humidity20~90% RH non-condensing
Storage Environment & Humidity-25℃~+70℃ 10~90% RH 
TEMP. Coefficient±0.05%℃ (0~40℃)
Vibration10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes
Life Span                   ≥30000Hrs (25~30℃)
No Load power consumption≤7.0W
MTBF                    250K hrs min, MIL-HDBK-217F (25℃ )
Dimension                    214*114*50mm (L*W*H)    
Packing                 0.70Kg/pcs 


Installation and working environments:

• Make sure work in proper environments are stated in this Guide.

• Do not overload.

• Avoid free of load while a power supply is powered on, keep proper loading

• Always keep good ventilation

• Do not mount on wood or flammable surface, keep minimum 5CM for LED power supplies each other.

• Keep away from inflammable or explosive environments.


Key Application:


Suitable for LED electronic display screen, LED street lights, LED tunnel lights, LED bridge lights, LED panel lights, LED ceiling lights, moving sign application, etc.  



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Packaging & Shipping

Shipping Policy:


• Samples checking: sending by Express (DHL / UPS / FEDEX / TNT/EMS)

• Bulk production: sending out by sea shipping / air freight / Express

Our Services



Adhering to the principle of “ Oriented by market demand, Endeavor to customer’s satisfaction,  Mutual benefits and win-win cooperation.” We are looking forward to your good suggestions and would like to cooperate with you to creat a green, low-carbon, energy-saving, favorable world!


-Provide other various types of  led drivers

-Competitive factory price will be offered 

-Customized design is available

-Supply superior after-sale service




 If you are interested in any model, kindly inform us in detail.

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