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    12V 500W Switching Power Supply

    Low price 12V DC switching power supply (SMPS) works at rated power 500W and rated current 41.6A. Quality SMPS power supply with short circuit, overload and overvoltage protections, widely used for office devices, household appliances and industrial equipment.
    SKU: ATO-SMPS-500-12
    30-day Returns
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    Delivery date: 6-12 days

    The provided 500W switching power supply can convert AC power to 12 volt DC and rated current 41.6A. Cheap switch mode power supply (SMPS) is suitable for LED road lighting, industrial automation machinery, industrial control systems, electronic equipment and devices.


    Model ATO-MS-500-12
    Output DC Voltage 0~12V
    Rated Current 41.6A
    Rated Power 500W
    Ripple and Noise ① ≤150mV
    Voltage Accuracy ±1%
    Output Voltage Adjustment Range 0~100%
    Load Regulation <±0.5
    Linear Adjustment Rate <±0.5%
    Input Voltage Range 180~264V AC 47Hz~63Hz; 254V DC~370V DC
    Efficiency (Typical) ② >85%
    Working Current 220V AC, 4A
    Electric Shock 60A 230V AC
    Start, Rise, Hold Time 200ms, 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 215x115x50mm
    Net Weight 0.9kg


    • 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 500W switch mode power supply has strong anti-interference ability, efficient work and good performance.


    12V switching power supply details

    Dimension (Unit: mm)

    12V switching power supply dimension

    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, Metalhalide Lamp, Solar System, Wind Power Generation, etc.

    Switching power supply applications

    Tips: What can a 12V switching power supply do?

    A 12V switching power supply is a versatile electrical device that converts higher voltage AC (alternating current) or DC (direct current) into a stable 12V DC output. It can serve various purposes in electronics and electrical systems. Common applications include powering electronic devices such as LED lighting, routers, CCTV cameras, and small appliances. These power supplies are also used in automotive applications, providing a reliable 12V source for car accessories and charging devices.

    Switching power supplies (SMPS power supply) are favored for their efficiency, compact size, and low heat generation. They can often accommodate a wide input voltage range, making them adaptable to various power sources. This versatility makes 12V switching power supplies a crucial component in many consumer and industrial applications, ensuring consistent and regulated power delivery.

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