Gold Member Since 2009
Audited Supplier
Zhejiang Best Electric Co., Ltd.

Led Power Supply, Switching Power Supply, Switch Power Supply manufacturer / supplier in China, offering 500W 12V Switching Power Supply with CE and RoHS (S-500B-12), 20W 12V Switching Power Supply with CE and RoHS (BBS-20-12), 5VDC 12VDC Dual Output Switching Power Supply (NED-50A) and so on.

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Supplier Homepage Product single output series 500W 12V Switching Power Supply with CE and RoHS (S-500B-12)

500W 12V Switching Power Supply with CE and RoHS (S-500B-12)

FOB Price: Get Latest Price
Min. Order: 1 Piece
Production Capacity: 100000 Pieces/Month
Transport Package: Standard export packing
Payment Terms: T/T, Paypal, Western Union

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Basic Info
  • Model NO.: S-500B-12
  • Warranty: >2 Years
  • Input Voltage: 220V
  • Starting Mode: Self-excited Switching Power Supply
  • Power Supplying System: Terminal Power Distribution Equipment
  • Certification: CE, RoHS
  • Size: 241*124*65
  • Color: Silver
  • Specification: CE ROHS
  • HS Code: 8504401400
  • Output Type: Single
  • Output Power: 401 - 500W
  • Connection Mode: Series Switching Power Supply
  • Voltage Regulating Mode: Frequency Modulation Type
  • Energy Transmission: One-way Transmission
  • Brand: Chnbest
  • Shell Material: Aluminum
  • Trademark: CHNBEST
  • Origin: China
Product Description
100% full load burn-in test
Small size, High power density
High Power density
Universal AC input: 220± 20%
Fixed switching frequency at 47-63Hz
Protections: Short circuit/Overload/Over voltage
Size: 241*124*65mm
Specification          S-500B-12  
DC output     12V   40A
Wave and noise   100mVp-p
Inlet stability     ±0.5%
Load stability     ±1%
Efficiency      84%
Adjustable range for DC voltage       ±10%
AC input voltage range 170-264VAC  47-63Hz 
AC Inrush currentCold-start current   35A/230
OverLoad protection         105%-150% hiccup mode,auto-recovery
Over-Voltage protection           
Setup,rise,hold up time200ms,50ms,20ms at full load and 230VAC
Withstand voltage  I/P-O/P:3Kv    I/P-FG:1.5KV   O/P-FG:0.5KV   1minute
Isolation resistanc I/P-O/P   IP/FG   OP-FG:500VDC/100M  
Working temperature-10ºC_+50ºC
Safety StandardsDesign refer to GB4943,UL60950,EN60950
EMC Standards Design refer to GB9254,EN55022 Class B
Weight1.8Kg

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