---
product_id: 72923358
title: "LRS-50-12 Switching Power Supply, Single Output, 12V, 4.2A, 50.4W, 3.9\" L x 3.23\" W x 1.18\" H"
brand: "mean well"
price: "89.41 DT"
currency: TND
in_stock: true
reviews_count: 8
category: "Mean Well"
url: https://www.desertcart.tn/products/72923358-lrs-50-12-switching-power-supply-single-output-12v-4
store_origin: TN
region: Tunisia
---

# 50.4W high power output Compact 3.9" x 3.23" x 1.18" size Operates up to 70°C LRS-50-12 Switching Power Supply, Single Output, 12V, 4.2A, 50.4W, 3.9" L x 3.23" W x 1.18" H

**Brand:** mean well
**Price:** 89.41 DT
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your tech with precision and style — don’t get left in the dark!

## Quick Answers

- **What is this?** LRS-50-12 Switching Power Supply, Single Output, 12V, 4.2A, 50.4W, 3.9" L x 3.23" W x 1.18" H by mean well
- **How much does it cost?** 89.41 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/72923358-lrs-50-12-switching-power-supply-single-output-12v-4)

## Best For

- mean well enthusiasts

## Why This Product

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

## Key Features

- • **Built to Endure:** Withstands 300Vac surge input for 5 seconds, ensuring durability under electrical stress.
- • **Compact & Sleek Design:** Miniature 1U low-profile form factor fits seamlessly into tight spaces without compromise.
- • **Power-packed Performance:** Delivers a robust 50.4W output at 12V and 4.2A for reliable, consistent energy.
- • **Cool & Reliable Operation:** Operates efficiently at temperatures up to 70°C, keeping your devices safe and stable.
- • **Energy Efficient & Eco-friendly:** Consumes less than 0.5W in no-load mode, saving power and reducing your carbon footprint.

## Overview

The Mean Well LRS-50-12 is a compact, high-efficiency switching power supply delivering 50.4W at 12V and 4.2A. Designed for durability, it withstands high surge inputs and operates reliably in temperatures up to 70°C. Its miniature 1U low-profile form factor and ultra-low no-load power consumption make it an ideal, eco-conscious choice for professional-grade electronics and replacements.

## Description

Mean Well LRS-50-12 Switching Power Supply, Single Output, 12V, 4.2A, 50.4W, 3.9" L x 3.23" W x 1.18" H.

Review: Perfect replacement for "Frigidaire"-branded 6-can mini desktop fridge - Bought this to replace the power supply in my Peltier-based desktop mini-fridge. It was practically a drop-in replacement and works very well - more efficient than the original PSU.
Review: Easy install operates cooler than the original power supply - Worked perfectly much more reliable

## Features

- Ac input range selectable by a switch
- Withstand 300Vac surge input for 5 second
- Not load power consumption <0.5W
- Miniature size and 1U low profile
- High operating temperature up to 70 degree c

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B019GYODX0 |
| Best Sellers Rank | #327 in Computer Power Supplies |
| Brand | MEAN WELL |
| Connector Type | ATX |
| Connector Type Used on Cable | ATX |
| Customer Reviews | 4.8 out of 5 stars 52 Reviews |
| Form Factor | SFX |
| Item Dimensions | 3.23 x 3.9 x 1.18 inches |
| Item Weight | 0.01 Ounces |
| Item dimensions L x W x H | 3.23 x 3.9 x 1.18 inches |
| Manufacturer | Mean Well |
| Mfr Part Number | LRS-50-12 |
| Model Number | LRS-50-12 |
| Output Wattage | 50 Watts |
| UPC | 602573341285 |
| Unit Count | 1.0 Count |

## Images

![LRS-50-12 Switching Power Supply, Single Output, 12V, 4.2A, 50.4W, 3.9" L x 3.23" W x 1.18" H - Image 1](https://m.media-amazon.com/images/I/61+f1CqPV4L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect replacement for "Frigidaire"-branded 6-can mini desktop fridge
*by D***Y on November 9, 2025*

Bought this to replace the power supply in my Peltier-based desktop mini-fridge. It was practically a drop-in replacement and works very well - more efficient than the original PSU.

### ⭐⭐⭐⭐⭐ Easy install operates cooler than the original power supply
*by J***N on January 9, 2026*

Worked perfectly much more reliable

### ⭐⭐⭐⭐⭐ Power supply
*by A***E on September 13, 2025*

Works great!

## Frequently Bought Together

- Mean Well LRS-50-12 Switching Power Supply, Single Output, 12V, 4.2A, 50.4W, 3.9" L x 3.23" W x 1.18" H
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- Mini Fridge Thermostat, Universal WPF-20 Freezer Thermostat Controller 2pin / Compatible with wpf16 and wpf18【Can Provide Installation Tutorial】

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-07-29*