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    Picture of 12V 40A 500W SMPS Switching Power Supply

    12V 40A 500W SMPS Switching Power Supply

    1 review(s) | Add your review
    SKU: PH-SMPS-500-12
    $83.69
    ● Provides stable 12V 41.6A 500W output for high-power devices. ● Boasts a small size and lightweight structure, ideal for space-limited installations. ● Integrates multi-protections for all-round safe operation. ● Works seamlessly with a variety of 12V devices, including LED strips, cameras, and automation equipment.
    šŸšš Free shipping
    ā±ļø Delivery: 6-12 days
    šŸ”™ 30-day Returns
    Overview

    Cost-effective 500W 12V DC switching power supply delivers a stable 41.6A output by converting AC input to 12V DC. Equipped with short-circuit, overload, and overvoltage protections, it ensures reliable performance for LED lighting, industrial automation, and electronic equipment. Its compact design and wide compatibility make it an affordable, high-quality choice for both household and industrial use, offering great value at a budget-friendly price point.

    500W SMPS Switching Power Supply Feature

    Feature

    • High-quality Capacitors: Adopts premium electrolytic capacitors with large capacity and low loss, ensuring durability and safer operation.
    • Pure Copper Transformer: Features full-capacity copper windings, delivering reliable performance, sufficient power, and stable working status.
    • EMI Filter: Provides strong anti-interference capability, enabling efficient operation and excellent overall performance.
     

    Details

    1. Pilot Lamp: Clearly indicates the power supplyā€™s working status at a glance.
    2. Voltage Regulation: Allows precise adjustment of the output voltage to meet different device needs.
    3. Output Positive: Connects to the positive terminal of powered devices for stable power delivery.
    4. Output Negative: Connects to the negative terminal of devices to complete the circuit.
    5. Ground Wire: Provides essential grounding for enhanced safety and anti-interference performance.
    6. Input 220V: Accepts standard 220V AC input for direct connection to household or industrial power grids.
    12V 40A 500W SMPS Switching Power Supply Details

    Dimension (Unit: mm)

    24V 20A 500W SMPS Dimension

    24V 20A 500W SMPS Dimension

    Specs
    Model PH-MS-500-12
    Output DC Voltage 0~12V
    Rated Current 41.6A
    Rated Power 500W
    Ripple and Noise ā‘  ā‰¤150mV
    Voltage Accuracy Ā±1%
    Output Voltage Adjustment Range 0~100%
    Load Regulation ļ¼œĀ±0.5
    Linear Adjustment Rate ļ¼œĀ±0.5%
    Input Voltage Range 180~264V AC 47Hz~63Hz; 254V DC~370V DC
    Efficiency (Typical) ā‘” ļ¼ž85%
    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 >90ā„ƒ.
    Environment TemperatureĀ & Humidity -10C~+50ā„ƒ; 20%~90RH
    Storage Humidity -20C~+85ā„ƒ; 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/100MĪ©
    Size 215x115x50mm
    Net Weight 0.9kg
    Application
    Outdoor Monitoring

    Outdoor Monitoring

    LED Strip

    LED Strip

    Automation Equipment

    Automation Equipment

    Road Sign Light

    Road Sign Light

    FAQ

    Q1: What can a 12V switching power supply do?

    A 12V switching power supply converts unstable or higherā€‘voltage power into a steady 12V DC output, widely used to run LED strips, security cameras, routers, and other small electronics. It is compact, efficient, and supports a broad input voltage range, making it ideal for both household and industrial use. Its stable output ensures safe and reliable power for many everyday devices.

    Q2: Does this power supply have overcharge and overheat protection?

    Yes, this 12V switching power supply comes with both overcharge protection and over-temperature protection. These safety features effectively prevent damage from overcharging and overheating, ensuring stable and safe operation for your devices.

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    1 review(s)
    5.0 1
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    Hugh | 9/22/2026 1:34 AM
    Beast of a 12V 500W Switching Power Supply
    I picked up this 12V 40A 500W switching power supply for my shop automation and LED setup, and itā€™s been working great. The output stays stable under load with no noticeable voltage drop. The heavy-duty housing, copper transformer, quiet fan, and solid terminal block make it easy to install and use. The built-in protection is also a nice touch for everyday shop use. Great performance for the price.
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