---
product_id: 72923358
title: "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"
brand: "mean well"
price: "S$33"
currency: SGD
in_stock: true
category: "Mean Well"
url: https://www.desertcart.sg/products/72923358-mean-well-lrs-50-12-switching-power-supply-single-output
store_origin: SG
region: Singapore
---

# 50.4W high power output Compact 3.9" x 3.23" x 1.18" size Operates up to 70°C 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

**Brand:** mean well
**Price:** S$33
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your productivity with compact confidence!

## Quick Answers

- **What is this?** 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 by mean well
- **How much does it cost?** S$33 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/72923358-mean-well-lrs-50-12-switching-power-supply-single-output)

## 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

- • **Heat? No sweat.:** Operates efficiently at temperatures up to 70°C, perfect for demanding environments
- • **Energy-smart standby:** Consumes less than 0.5W when idle, saving power without compromise
- • **Built to brave the surge:** Withstands 300Vac surge input for 5 seconds—reliability you can trust
- • **Sleek, space-saving design:** Miniature 1U low profile fits effortlessly into any setup
- • **Power that keeps up with you:** Delivers a robust 12V @ 4.2A for seamless device performance

## Overview

The Mean Well LRS-50-12 is a compact, high-efficiency switching power supply delivering 12V at 4.2A with 50.4W output. Designed for professional setups, it features a selectable AC input range, withstands high surge inputs, consumes minimal power when idle, and operates reliably in high-temperature environments up to 70°C—all within a sleek 1U low-profile form factor.

## 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.

## 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 |
| Amperage | 4.2 A |
| Best Sellers Rank | #216 in Computer Power Supplies |
| Brand | MEAN WELL |
| Connector Type Used on Cable | ATX |
| Customer Reviews | 4.8 4.8 out of 5 stars (60) |
| Form Factor | SFX |
| Item Dimensions | 3.23 x 3.9 x 1.18 inches |
| Item Weight | 0.27 g |
| Manufacturer | Mean Well |
| Maximum Power | 50.4 watts |
| Mfr Part Number | LRS-50-12 |
| Model Number | LRS-50-12 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Output Current | 4.2 A |
| Output Voltage | 12 volts_of_direct_current |
| Output Wattage | 50 watts |
| UPC | 602573341285 |
| Unit Count | 1 Count |

## Product Details

- **Amperage:** 4.2 A
- **Brand:** MEAN WELL
- **Connector Type:** ATX
- **Form Factor:** SFX
- **Item Weight:** 0.27 g

## Images

![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 - Image 1](https://m.media-amazon.com/images/I/514UvRLQYnL.jpg)
![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 - Image 2](https://m.media-amazon.com/images/I/61+f1CqPV4L.jpg)

## 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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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-09-22*