---
product_id: 102179369
title: "Longwei K3010D 4-Digit LED Display DC Power Supply Variable, 0-30 V / 0-10 A, 4-Digital LED Display"
brand: "longwei"
price: "$4450"
currency: MXN
in_stock: true
url: https://www.desertcart.mx/products/102179369-longwei-k3010d-4-digit-led-display-dc-power-supply-variable
store_origin: MX
region: Mexico
---

# 0-30V / 0-10A variable output 4-digit precision display Intelligent temperature-controlled fan Longwei K3010D 4-Digit LED Display DC Power Supply Variable, 0-30 V / 0-10 A, 4-Digital LED Display

**Brand:** longwei
**Price:** $4450
**Availability:** ✅ In Stock

## Summary

> ⚡ Power Precision Meets Pro Performance

## Quick Answers

- **What is this?** Longwei K3010D 4-Digit LED Display DC Power Supply Variable, 0-30 V / 0-10 A, 4-Digital LED Display by longwei
- **How much does it cost?** $4450 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.mx](https://www.desertcart.mx/products/102179369-longwei-k3010d-4-digit-led-display-dc-power-supply-variable)

## Best For

- longwei enthusiasts

## Why This Product

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

## Key Features

- • **Safety First:** Multi-layer protection guards your projects and gear
- • **Pinpoint Accuracy:** Ultra-fine 0.01V & 0.01A resolution for flawless tuning
- • **Compact Powerhouse:** Lightweight & sleek design fits any workspace effortlessly
- • **Ready for Anything:** Complete kit with test probes and cables for instant use
- • **Cool Under Pressure:** Smart fan and heat dissipation keep performance peak

## Overview

The Longwei K3010D is a compact, high-precision DC power supply offering adjustable 0-30V and 0-10A output with a clear 4-digit LED display. Engineered with advanced safety features and intelligent cooling, it ensures reliable, long-lasting performance for professional labs, DIY projects, and electronic testing.

## Description

Longwei K3010D 4-Digit LED Display DC Power Supply Variable, 0-30 V / 0-10 A, 4-Digital LED Display

## Features

- ✅【High Precision with 4-Digit and Power Display】LONGWEI 30V 10A DC benchtop power supply is a professional power supply regulation device that has a high resolution of 0.01V and 0.01A. You can easily tune it within 0-30V and 0-10A. The backlit 4-digit LED display provides a more accurate readout for the voltage and current value, visible easily even in the low-light conditions.
- ✅【High Quality with Essential Safety】Safety is our priority. Grounding wire, This bench power supply 30v 10a takes the function of limited flow protection, overpower protection, over temperature protection, voltage overload protection. greatly improving its working efficiency and lifespan!
- ✅【Excellent Heat Dissipation】Equipped with a big fan controlled by intelligent temperature control sensor and multiple heat radiation grooves on both sides, Intelligent fan offers excellent heat dissipation effect, which reduces the noise and prolongs the life of product effectively.( When the internal power supply reaches a certain temperature, the fan will automatically turn on for heat dissipation)
- ✅【Compact and Various Application】This one weighs less than 2kgs and measures only 2.7*8.6*6.3inches, Applies for cb radio power supply, Lab Power Supply ，DIY, Electroplating Kit，Teaching Supplies，Work Bench ，Electronic Projects ., aging test and other requirements thanks to complete test probes and output cable with alligator clips.
- ✅【What You Get & SERVICE】1 x 30V 10A DC power supply, 1 x output power cord, 1 x Input power cord, 1 x test probes, 1 x User manual. (Buy Now Risk-Free with 30 days Free Of Return,we provide 12-Month after sale service, lifetime technical support. Please feel free to contact us if you have any concerns,we will reply to you to solve your problem in 24H.)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | LongWei Ltd |
| Part number | K3010D White UK |
| Item Weight | 1.84 kg |
| Product Dimensions | 22 x 7.01 x 16 cm; 1.84 kg |
| Item model number | LW-K3010D |
| Size | 00.01V，00.01A |
| Colour | black |
| Maximum power | 3E+2 Watts |
| Item Package Quantity | 1 |
| Batteries included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** LONGWEI
- **Colour:** black
- **Connector type:** terminals or banana plugs
- **Input voltage:** 2.4E+2 Volts (AC)
- **Amperage:** 1E+1 Amps

## Images

![Longwei K3010D 4-Digit LED Display DC Power Supply Variable, 0-30 V / 0-10 A, 4-Digital LED Display - Image 1](https://m.media-amazon.com/images/I/61jeFLyqZtL.jpg)

## Questions & Answers

**Q: Is it really ce certified or only with "fake ce", i.e. china export?
people don't realize the difference but it is crucial.**
A: That is true. We have CE certification, FCC certification and Rosh lead-free certification for all dc power supply products  .  we can provide it to you If you need PDF file certificate,  thank you.

**Q: Whats the voltage ripple & noise on this?**
A: Just measured them for you, the CV less than 1mv, CC less than 3ma

**Q: Is it cc and cv ?**
A: It is cv

## Frequently Bought Together

- LOGNWEI ® DC Power Supply Variable 30V 10A Bench Power Supply 4-Digital LED Display ，Variable Power Supply for DIY, Electroplating kit，Lab Power Supply with 2 Sets bench power supply leads
- QWORK® 2 Pack 99.9% Pure Copper Metal Sheet Plate, 1mm Thick Processable Copper Plates for DIY Project, Maintenance, Production (200 mm x 100 mm x 1 mm)

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**Shop now:** [https://www.desertcart.mx/products/102179369-longwei-k3010d-4-digit-led-display-dc-power-supply-variable](https://www.desertcart.mx/products/102179369-longwei-k3010d-4-digit-led-display-dc-power-supply-variable)

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*Product available on Desertcart Mexico*
*Store origin: MX*
*Last updated: 2026-02-11*