---
product_id: 111139958
title: "12V 40A 480W DC Switching Power Supply Adapter PSU AC-DC 12Volt Industrial Transformer Converter 0-30/20amps LED Drive Light Lamp Meter Electric Printer Semiconductor Pump Motor Drive SMPS 110V/220"
brand: "meishile"
price: "$128.69"
currency: USD
in_stock: true
reviews_count: 3
url: https://www.desertcart.ec/products/111139958-12v-40a-480w-dc-switching-power-supply-adapter-psu-ac
store_origin: EC
region: Ecuador
---

# 12V 40A 480W DC Switching Power Supply Adapter PSU AC-DC 12Volt Industrial Transformer Converter 0-30/20amps LED Drive Light Lamp Meter Electric Printer Semiconductor Pump Motor Drive SMPS 110V/220

**Brand:** meishile
**Price:** $128.69
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** 12V 40A 480W DC Switching Power Supply Adapter PSU AC-DC 12Volt Industrial Transformer Converter 0-30/20amps LED Drive Light Lamp Meter Electric Printer Semiconductor Pump Motor Drive SMPS 110V/220 by meishile
- **How much does it cost?** $128.69 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/111139958-12v-40a-480w-dc-switching-power-supply-adapter-psu-ac)

## Best For

- meishile enthusiasts

## Why This Product

- Trusted meishile brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Full description not available

## Features

- Make sure this fits by entering your model number.
- ☆Universal input voltage: AC 110V/220V , Output power is 12V 40A 480W, Portable, Small, Compact:21.5×11.5×5cm/8.5×4.5×2 inch, weight 0.75 kag
- ☆PSU(SMPS) convert AC to DC, output current depends on the requirements of the power consuming equipment, Power multiple devices with different Currents/ Watts, (Nominal Peak not equal to maximum load current/power)
- ☆Used for DC 12V oxygen/water Pump-semiconductor drive-Atomizer-Winch-Car Jack-Car Stereos-Amplifier-Radios-Air Compressor-LED Light Strip-CCTV Security Camera-Brushless Motor-Household Appliances-Electronic Devices-Automation Equipment-Computer Project-Servos-City street light sand table toy model drive, etc
- ☆PROPRIETARY Circuit solutions: High EFC, Low-loss, Long Service Life: More than 6,000 hours of service life;  Aluminum shell, Low standby power consumption, High efficiency
- ☆SAFE STABLE: Power Supply has over/under voltage, over heat protection, Strictly tested before leaving the factory,  SATISFACTION GUARANTEE: For any question, do not hesitate to contact us, we offer you a satisfaction guaranteed

## Images

![12V 40A 480W DC Switching Power Supply Adapter PSU AC-DC 12Volt Industrial Transformer Converter 0-30/20amps LED Drive Light Lamp Meter Electric Printer Semiconductor Pump Motor Drive SMPS 110V/220 - Image 1](https://m.media-amazon.com/images/W/WEBP_402378-T1/images/I/71jMFXR-6mL.jpg)
![12V 40A 480W DC Switching Power Supply Adapter PSU AC-DC 12Volt Industrial Transformer Converter 0-30/20amps LED Drive Light Lamp Meter Electric Printer Semiconductor Pump Motor Drive SMPS 110V/220 - Image 2](https://m.media-amazon.com/images/W/WEBP_402378-T1/images/I/71CZXx0ZCaL.jpg)
![12V 40A 480W DC Switching Power Supply Adapter PSU AC-DC 12Volt Industrial Transformer Converter 0-30/20amps LED Drive Light Lamp Meter Electric Printer Semiconductor Pump Motor Drive SMPS 110V/220 - Image 3](https://m.media-amazon.com/images/W/WEBP_402378-T1/images/I/718zIqUSRJL.jpg)
![12V 40A 480W DC Switching Power Supply Adapter PSU AC-DC 12Volt Industrial Transformer Converter 0-30/20amps LED Drive Light Lamp Meter Electric Printer Semiconductor Pump Motor Drive SMPS 110V/220 - Image 4](https://m.media-amazon.com/images/W/WEBP_402378-T1/images/I/71lruXKovBL.jpg)
![12V 40A 480W DC Switching Power Supply Adapter PSU AC-DC 12Volt Industrial Transformer Converter 0-30/20amps LED Drive Light Lamp Meter Electric Printer Semiconductor Pump Motor Drive SMPS 110V/220 - Image 5](https://m.media-amazon.com/images/W/WEBP_402378-T1/images/I/71BV4K9OyUL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 







  
  
    Wondering
  

*by E***M on Reviewed in the United States on July 31, 2022*

I don't know anything about this item. My deadbeat dad begged me to buy him this and welp I was raised by my mama and have a good heart so I did, I’m assuming its good because I haven’t heard anything about it since he got it.

### ⭐⭐ 







  
  
    Squealing Transformer
  

*by R***Z on Reviewed in the United States on March 25, 2022*

This PSU works, but it has a couple of problems.  First, it is not a 480W PSU, more like 320W.  Please read the fine print, as they do mention this.  The supply can do 480W, but not continuously.  2nd problem is that under full load the transformer makes a loud squealing sound.  At first, I thought it was the piezo speaker on 3D printer.  After I muted it, the sound persisted.  So now I need to re-engineer this piece of Chinese crap, or play roulette again and by another brand.  I am very disappointed, as the PSU I replaced was repairable and only $20.  This one was $15 more and I can't repair it.

### ⭐⭐⭐⭐⭐ 







  
  
    Perfect supply for 600 wd2812b leds
  

*by A***R on Reviewed in the United States on January 10, 2022*

This supply worked great on my 600 led strings which were turning yellow about half way from the PS. Just be sure to use a 1000uF cap to stable the output, especially if you run a multicolor program on your leds.

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**Shop now:** [https://www.desertcart.ec/products/111139958-12v-40a-480w-dc-switching-power-supply-adapter-psu-ac](https://www.desertcart.ec/products/111139958-12v-40a-480w-dc-switching-power-supply-adapter-psu-ac)

---

*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-03-10*