---
product_id: 582386682
title: "1Pcs For Defond Power Tool Screwdriver Speed Switch EGD-1112B 12VDC 12A"
brand: "zywuoy"
price: "HK$272"
currency: HKD
in_stock: true
url: https://www.desertcart.hk/products/582386682-1pcs-for-defond-power-tool-screwdriver-speed-switch-egd-1112b
store_origin: HK
region: Hong Kong
---

# 12V Stepless Speed Control Low Internal Resistance IR Tube Integrated Temperature Sensing 1Pcs For Defond Power Tool Screwdriver Speed Switch EGD-1112B 12VDC 12A

**Brand:** zywuoy
**Price:** HK$272
**Availability:** ✅ In Stock

## Summary

> ⚙️ Upgrade your DIY game with precision power control!

## Quick Answers

- **What is this?** 1Pcs For Defond Power Tool Screwdriver Speed Switch EGD-1112B 12VDC 12A by zywuoy
- **How much does it cost?** HK$272 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/582386682-1pcs-for-defond-power-tool-screwdriver-speed-switch-egd-1112b)

## Best For

- zywuoy enthusiasts

## Why This Product

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

## Key Features

- • **Compact & Lightweight Design:** At just 32g and 7x3x2 cm, this switch fits perfectly into your power tool mods without bulk.
- • **Forward & Reverse Functionality:** Seamlessly switch rotation direction to tackle any fastening challenge with professional ease.
- • **Smart Temperature Sensing Wiring:** Built-in thermal monitoring safeguards your tool, extending its lifespan and reliability.
- • **Cutting-Edge 100A30V IR Power Tube:** Experience minimal internal resistance ensuring efficient power delivery and less heat buildup.
- • **Precision 12V Stepless Speed Switch:** Effortlessly control your screwdriver speed with smooth push-switch regulation for ultimate DIY finesse.

## Overview

The Defond EGD-1112B is a 12VDC, 12A stepless speed switch designed for electric screwdrivers, featuring a high-efficiency 100A30V IR power tube with low internal resistance and integrated temperature sensing wiring. It supports forward and reverse operation, is compact and lightweight, and is ideal for DIY repairs and modifications requiring precise speed control.

## Description

Characteristics:12V tool speed switch,Using a 10.8V lithium battery,Switch model EGD-1112B, 12a,This protection switch is relatively new,Many newer electric screwdrivers have similar styles,Great value for DIY modification and repair,The measured voltage range is 9-13V,Charge indicator and lighting lamp.Well the job change,The power tube uses patched 100A30V IR tube,The internal resistance of this tube is very small,All integral heat sinks do not need to be too large,Wiring with temperature sensing line,It can be replaced by a 10K resistor,Push switch type stepless speed regulation,Support forward and backward switching,The specific wiring is marked in the following figure.Package includes:1PCS x Speed switchNote:1. No Retail Sale.2. Please allow 0-1cm error due to manual measurement. Please make sure you don't mind before you bid.3. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!

## Features

- The power tube uses patched 100A30V IR tube,
- The internal resistance of this tube is very small,
- All integral heat sinks do not need to be too large,
- Wiring with temperature sensing line,
- The specific wiring is marked in the following figure.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | ZYWUOY |
| Part number | UUU0211351001@#2296@#7552502 |
| Item Weight | 32 g |
| Product Dimensions | 7 x 3 x 2 cm; 32 g |
| Item model number | UUU0211351001@#2296@#7552502 |
| Colour | as picture show |
| Item Package Quantity | 1 |
| Batteries included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** ZYWUOY
- **Item dimensions L x W x H:** 7 x 3 x 2 centimetres
- **Colour:** as picture show

## Images

![1Pcs For Defond Power Tool Screwdriver Speed Switch EGD-1112B 12VDC 12A - Image 1](https://m.media-amazon.com/images/I/51H-UhpDU8L.jpg)
![1Pcs For Defond Power Tool Screwdriver Speed Switch EGD-1112B 12VDC 12A - Image 2](https://m.media-amazon.com/images/I/51kXjPTbhuL.jpg)
![1Pcs For Defond Power Tool Screwdriver Speed Switch EGD-1112B 12VDC 12A - Image 3](https://m.media-amazon.com/images/I/51LnFXkj41L.jpg)
![1Pcs For Defond Power Tool Screwdriver Speed Switch EGD-1112B 12VDC 12A - Image 4](https://m.media-amazon.com/images/I/41fJqODYGJL.jpg)
![1Pcs For Defond Power Tool Screwdriver Speed Switch EGD-1112B 12VDC 12A - Image 5](https://m.media-amazon.com/images/I/518sJ285kzL.jpg)

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**Shop now:** [https://www.desertcart.hk/products/582386682-1pcs-for-defond-power-tool-screwdriver-speed-switch-egd-1112b](https://www.desertcart.hk/products/582386682-1pcs-for-defond-power-tool-screwdriver-speed-switch-egd-1112b)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-01-26*