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    12V 3000W Switching Power Supply

    3000W switching power supply (SMPS) for sale online. It converts AC input to DC output at rated current 250A. High quality 12 volt DC switch mode power supply with large capacity, low loss, more durable and safer, perfect for DC power supply for wide applications.
    SKU: ATO-SMPS-3000-12
    30-day Returns
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    Delivery date: 6-12 days

    12V 3000W switching power supply is designed to convert 220V AC power to DC at rated current 250A, reliable performance, sufficient power and stable operation. This high power SMPS switch mode power supply is ideal for power tools, home appliances, office equipment and industrial controls.


    Model ATO-S-3000-12
    Output DC Voltage 12V
    Rated Current 250A
    Rated Power 3000W
    Ripple and Noise ① ≤150mV
    Voltage Accuracy ±1%
    Output Voltage Adjustment Range 0~12V
    Load Regulation <±0.5
    Linear Adjustment Rate <±1%
    Input Voltage Range 180~264V AC 47Hz~63Hz; 254V DC~370V DC
    Efficiency (Typical) ② >85%
    Working Current 220V AC, 18A
    Electric Shock 60A 230V AC
    Start, Rise, Hold Time 800ms, 50ms, 20ms; 230V AC
    Protection Overload Protection 105%~135% Type: constant current output +VO drops to the undervoltage point and cuts off the output; Reset: power on again
    Over Temperature Protection RTH3: The fan rotates continuously, and the output is turned off when >90℃.
    Environment Temperature & Humidity -10C~+50℃; 20%~90RH
    Storage Humidity -20C~+85℃; 10%~95RH
    Safety & EMC Withstand Voltage Input-Output: 1.5kV AC; Input-Enclosure: 1.5kV AC; Output-Enclosure: 0.5kV AC
    Leakage Current Input-Output: <6mA at 1.5kV AC
    Leakage Current Input-Output: <1.5mA at 220V AC
    Isolation Resistor Input-Output, Input-Enclosure, Output Enclosure: 500V DC/100MΩ
    Size 315x200x70mm
    Net Weight 3.5kg


    • High-quality capacitors: 12V switching power supply uses high-quality electrolytic capacitors, which have large capacity, low loss, and are more durable and safer.
    • Pure copper transformer: It is equipped with sufficient turns of coil winding, with reliable performance, full power and stable operation.
    • EML filter: ATO 3000W switch mode power supply has strong anti-interference ability, efficient work and good performance.


    12V switching power supply details

    SMPS Power Supply Applications

    • Power Tools: Electric Saw, Drilling Machine, Ginder, Sand Blast Machine, Punching Machine, Weeding Machine, Air Compressor, etc.
    • Office Devices: Computer, Printer, LCD Monitor, Scanning Machine, etc.
    • Electrics & Household Appliance: TV, VCRS, Radio, Dust Collector, Fan Lamp or LED Strip, Sewing Machine, Microwave Oven, Fridge/Freezer, Coffemarker, etc.
    • Industrial Equipment: Monitoring Equipment, Shipping, Vehicle, Metal halide Lamp, Solar System, Wind Power Generation, etc.

    Switching power supply applications

    Tips: How to choose a 12V switching power supply?

    To choose a 12V switching power supply, first determine your device's voltage and current requirements. Ensure the power supply offers a stable 12V output with good voltage regulation. Select a switching power supply with a current rating that meets or exceeds your device's needs, and consider efficiency for energy savings.

    Check if the input voltage range matches your location. Look for safety features like overvoltage and overcurrent protection. Ensure the power supply has the appropriate connectors and fits your application. Consider certifications (e.g., UL, CE), brand reputation, and customer reviews. Set a budget and see if the product comes with a warranty for added peace of mind. Consulting experts can help if you're unsure about your requirements or options.

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