---
product_id: 9339946
title: "4000W 220V AC SCR Voltage Regulator Dimmer Electric Motor Speed Controller Thermostat"
brand: "szzijia"
price: "₨22202"
currency: LKR
in_stock: true
url: https://www.desertcart.lk/products/9339946-4000w-220v-ac-scr-voltage-regulator-dimmer-electric-motor-speed
store_origin: LK
region: Sri Lanka
---

# 4000W max power 0-220V adjustable Advanced circuit design 4000W 220V AC SCR Voltage Regulator Dimmer Electric Motor Speed Controller Thermostat

**Brand:** szzijia
**Price:** ₨22202
**Availability:** ✅ In Stock

## Summary

> 🔧 Master Your Power with Precision!

## Quick Answers

- **What is this?** 4000W 220V AC SCR Voltage Regulator Dimmer Electric Motor Speed Controller Thermostat by szzijia
- **How much does it cost?** ₨22202 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/9339946-4000w-220v-ac-scr-voltage-regulator-dimmer-electric-motor-speed)

## Best For

- szzijia enthusiasts

## Why This Product

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

## Key Features

- • **Robust Build Quality:** Crafted from durable iron for long-lasting reliability.
- • **User-Friendly Design:** No batteries required, just plug in and take control!
- • **Unleash Power Control:** Experience seamless voltage regulation with a maximum capacity of 4000W.
- • **Versatile Applications:** Perfect for electric furnaces, water heaters, lamps, and small motors.
- • **Precision at Your Fingertips:** Enjoy 0-220V adjustability for tailored performance without hysteresis.

## Overview

The 4000W 220V AC SCR Voltage Regulator Dimmer is a versatile and robust device designed for precise voltage control across various applications, including electric furnaces, water heaters, and small motors. With a maximum power capacity of 4000W and an adjustable voltage range of 0-220V, this regulator ensures optimal performance and reliability, all while being easy to use with no batteries required.

## Description

Specification:  Advanced circuit design, adopt driving resistive load ,0-220V precise adjustable without hysteresis  Working voltage: AC 220V  Maximum power: 4000W (connected resistive load)  Voltage regulation range: 0V-220V  Protection: anti-spike, surge, rc absorption (eoc)  Applicable for electric furnace, water heater, lamps, small motor, electric iron etc  Dimensions: 91 x 59 mm(Not Including Knob)   How to use:  Connect this product with AC 220V power,connect output with lamp or home appliance or electric circuit, then rotate the knob for dimming, speed, voltage, temperature control.  Note: the load can not exceed the specified maximum power, otherwise it will burn the module and appliances; make use of resistive load; inductive, capacitive load power is greatly reduced (it is better to leave more than half of the amount).   Package Includes:  1 x Voltage regulator dimmer

## Features

- Voltage regulator dimmer
- Maximum power: 4000W (connected resistive load)
- Applicable for electric furnace, water heater, lamps, small motor, electric iron etc
- Advanced circuit design, adopt driving resistive load ,0-220V precise adjustable without hysteresis

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | szzijia |
| Manufacturer | szzijia |
| Part Number | 140117 |
| Item model number | 140117 |
| Is Discontinued By Manufacturer | No |
| Shape | Rectangle |
| Material | iron |
| Voltage | 220 Volts |
| Special Features | Voltage regulation range: 0V-220V |
| Batteries Included? | No |
| Batteries Required? | No |
| Wattage | 4000 watts |

## Product Details

- **Color:** Silver
- **Brand:** szzijia
- **Voltage:** 220 Volts
- **Material:** iron
- **Display Type:** LED

## Images

![4000W 220V AC SCR Voltage Regulator Dimmer Electric Motor Speed Controller Thermostat - Image 1](https://m.media-amazon.com/images/I/51hmam80gtL.jpg)
![4000W 220V AC SCR Voltage Regulator Dimmer Electric Motor Speed Controller Thermostat - Image 2](https://m.media-amazon.com/images/I/51e3glHQrDL.jpg)
![4000W 220V AC SCR Voltage Regulator Dimmer Electric Motor Speed Controller Thermostat - Image 3](https://m.media-amazon.com/images/I/41C2fg7cb2L.jpg)

## Questions & Answers

**Q: can this be used on a 120 volt AC input?**
A: Yes.   That's what I use it for!!

**Q: is the output Direct Current(fora treadmill)?**
A: No, it is ac "chopped" wave if you're familiar with the term.  If you have a universal motor it'll work

## Frequently Bought Together

- 4000W 220V AC SCR Voltage Regulator Dimmer Electric Motor Speed Controller Thermostat
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**Shop now:** [https://www.desertcart.lk/products/9339946-4000w-220v-ac-scr-voltage-regulator-dimmer-electric-motor-speed](https://www.desertcart.lk/products/9339946-4000w-220v-ac-scr-voltage-regulator-dimmer-electric-motor-speed)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-02-21*