Ecvv Trade
HL-Tek Limited

China Manufacturer with main products: Laptop Adapter, AC Adapter, Power Adapter, Laptop Charger, AC DC Adapter, Power Supply, USB Charger, Car Charger

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100-240v switching ac charger 12v3a ac dc adapters power adapter

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Quick Details

  • Connection: Desktop
  • Model Number: 12v3a


100-240v switching ac charger 12v3a ac dc adapters power adapter


1 Input voltage: AC 100-240V

2 Output voltage: DC 12V

3 Output current: 3A



1 Over voltage protection

2 Over current protection

3 Over load protection

4 Short circuit protection


Environment requirements

1 Operating temperature: -10-35  C Celcius

2 Storage temperature: -20--70  C Celcius

3 Storage humidity: 5%-90%



1 Soft-start can reduce the AC input impact efficiency

2 Wiht short ciucuit and over load protection

3 Compact size, light weight

4 100% full-load burning test


AC Input

AC Input Voltage.............96~264V AC 47~63 Hz

Inrush Current..............<50A(AC 240V  at 25°C)

input Current Limiting..............<2.5A(under min AC input and full load)



DC Output

DC Voltage Regulation


Line Regulation

load Regulation

Cross Regulation






DC Output Current


Min Current

Rate Current







Output Ripple & Noise............120mVp-p@25 °C


Output Dynamic Load Response

Dynamic Load

 DC Voltage Regulation 




Overshoot at turn-on/ turn-off.............<10%


Protection Function

SCP...........<0.1 ohms




Hold up time...........>5mS(100Vac/47Hz),>10mS(110/220Vacc/50/60Hz)

Start up time..........<3S(100Vac/47Hz),<2S(110/220Vac/50/60Hz)


Environment Requirement

Working temp...........0°C~ 40°C

Storage temp Range..........-10°C~ +85°C

Working humidity..........25%~90% relative humidity (Non- condensing)

Storage humidity Range..........10%~90% relative humidity (Non- condensing)

MTBF............ 50K hours (25°C , Full load and rated voltage input)

Service Process

Service Guarantee

  • Free Service Charge

    ECVV doesn't charge any service fee to Buyers for buying this product.

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  • Product Quality Commitment

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  • Deposit Service Commitments

    In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.

    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.

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