---
product_id: 787908194
title: "Enameled Copper Wire, 0.3mm 40m Enameled Copper Coil Magnet Winding Wire, for Motor Transformer Speaker Magnetic Coil"
brand: "dongker"
price: "฿20"
currency: THB
in_stock: false
url: https://www.desertcart.co.th/products/787908194-enameled-copper-wire-0-3mm-40m-enameled-copper-coil-magnet
store_origin: TH
region: Thailand
---

# High conductivity copper core Heat resistant up to 85℃ 0.3mm ultra-fine diameter Enameled Copper Wire, 0.3mm 40m Enameled Copper Coil Magnet Winding Wire, for Motor Transformer Speaker Magnetic Coil

**Brand:** dongker
**Price:** ฿20
**Availability:** ❌ Out of Stock

## Summary

> ⚡ Wire your world with precision and power!

## Quick Answers

- **What is this?** Enameled Copper Wire, 0.3mm 40m Enameled Copper Coil Magnet Winding Wire, for Motor Transformer Speaker Magnetic Coil by dongker
- **How much does it cost?** ฿20 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/787908194-enameled-copper-wire-0-3mm-40m-enameled-copper-coil-magnet)

## Best For

- dongker enthusiasts

## Why This Product

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

## Key Features

- • **Reliable Quality:** Durable enamel insulation with responsive after-sales support
- • **Precision Perfect:** Ultra-thin 0.3mm wire for detailed winding and compact designs
- • **Thermal Toughness:** Withstands temperatures from -25℃ to 85℃ without breaking
- • **Conductivity Champion:** Pure copper core ensures maximum electrical efficiency
- • **Versatile Applications:** Ideal for motors, transformers, speakers, and experimental projects

## Overview

This 0.3mm enameled copper wire features a pure copper core with high conductivity and a durable insulating enamel coating. Measuring 40 meters in length, it supports high voltage (3000V-5000V) and operates reliably in temperatures from -25℃ to 85℃. Perfect for motor winding, transformers, speakers, and scientific experiments, it combines precision, durability, and versatility for professional-grade electrical projects.

## Description

Welcome to my store, I hope you can spend a pleasant shopping trip! Description: It is a tension enameled copper wire. It is made of pure copper inside, with insulating paint and polyester patent on the surface. It can be used in physical science experiments, small generators, motors, coils, transformers, inductance wires, maintenance copper wires and so on. 1>.Product Name: Enameled Copper Tension Wire. 2. Clamping voltage range: 3000V to 5000V 3. Diameter: 0.3 mm. 4. Length: 20 m. 5>.Working temperature: -25℃~85℃ 6>.Working humidity: 5%~95%RH 7. Dimensions: 51 x 51 x 44 mm. Package List: 1 x 0.3 mm enamelled copper wire, 20 m tension. Remarks: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2. Please allow slight 1-2cm size difference due to different manual measurement.

## Features

- High Quality Copper Wire, 0.3mm enameled wire is made of high-quality copper with high conductivity.
- It has high temperature resistance, good toughness, and is not easy to break.
- It is widely used and can be used in physical science experiments, small generators, motors, etc.
- 0.3mm x 40m enameled wire is a copper wire covered with a thin insulating layer. Scrape the insulation layer before use and use a copper wire instead of a wire and cable.
- Safe: To provide you with the highest quality service, if you have any questions, please feel free to contact us. We will provide after-sales service until you are satisfied.

## Product Details

- **Material:** Copper
- **Brand:** DONGKER
- **Finish type:** Polished
- **Tensile strength:** 250 Megapascals
- **UPC:** 774590131535

## Images

![Enameled Copper Wire, 0.3mm 40m Enameled Copper Coil Magnet Winding Wire, for Motor Transformer Speaker Magnetic Coil - Image 1](https://m.media-amazon.com/images/I/51VWDvVhJQL.jpg)
![Enameled Copper Wire, 0.3mm 40m Enameled Copper Coil Magnet Winding Wire, for Motor Transformer Speaker Magnetic Coil - Image 2](https://m.media-amazon.com/images/I/41q8dOIsRwL.jpg)
![Enameled Copper Wire, 0.3mm 40m Enameled Copper Coil Magnet Winding Wire, for Motor Transformer Speaker Magnetic Coil - Image 3](https://m.media-amazon.com/images/I/51PkbfpBTqL.jpg)
![Enameled Copper Wire, 0.3mm 40m Enameled Copper Coil Magnet Winding Wire, for Motor Transformer Speaker Magnetic Coil - Image 4](https://m.media-amazon.com/images/I/41p3HQYqGFL.jpg)
![Enameled Copper Wire, 0.3mm 40m Enameled Copper Coil Magnet Winding Wire, for Motor Transformer Speaker Magnetic Coil - Image 5](https://m.media-amazon.com/images/I/51EcSFb1MuL.jpg)

## Frequently Bought Together

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-02-16*