---
product_id: 237450011
title: "PWM AC Voltage Dimmer 50/60Hz 80-240VAC for Arduino Raspberry Leading Edge Dimmer for AC Motor Pump Fan Light Heater Max 500W Pro Engineered Onboard Snubber Circuit - Compatible Worldwide"
brand: "krida"
price: "VT18547"
currency: VUV
in_stock: true
category: "Krida"
url: https://www.desertcart.vu/products/237450011-pwm-ac-voltage-dimmer-50-60hz-80-240vac-for-arduino
store_origin: VU
region: Vanuatu
---

# 80-240VAC universal voltage PWM input signal up to 10kHz Auto-detects 50/60Hz AC line frequency PWM AC Voltage Dimmer 50/60Hz 80-240VAC for Arduino Raspberry Leading Edge Dimmer for AC Motor Pump Fan Light Heater Max 500W Pro Engineered Onboard Snubber Circuit - Compatible Worldwide

**Brand:** krida
**Price:** VT18547
**Availability:** ✅ In Stock

## Summary

> 💡 Dim your world with precision and power — control AC like a pro!

## Quick Answers

- **What is this?** PWM AC Voltage Dimmer 50/60Hz 80-240VAC for Arduino Raspberry Leading Edge Dimmer for AC Motor Pump Fan Light Heater Max 500W Pro Engineered Onboard Snubber Circuit - Compatible Worldwide by krida
- **How much does it cost?** VT18547 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/237450011-pwm-ac-voltage-dimmer-50-60hz-80-240vac-for-arduino)

## Best For

- krida enthusiasts

## Why This Product

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

## Key Features

- • **Compact & Versatile:** Lightweight 17g module fits perfectly in DIY projects, home automation, and professional setups.
- • **Robust & Safe Design:** Onboard snubber circuit protects triacs, ensuring reliable control of inductive loads like motors and heaters.
- • **Precision PWM Control:** Supports up to 10kHz PWM input for ultra-smooth dimming and motor speed regulation.
- • **Plug & Play MCU Integration:** Fully compatible with Arduino, Raspberry Pi, and other MCUs for effortless smart automation.
- • **Seamless Global Compatibility:** Works flawlessly with 80-240VAC and auto-detects 50/60Hz lines for worldwide use.

## Overview

This PWM AC Voltage Dimmer module offers professional-grade control over AC loads up to 500W, compatible with 80-240VAC and both 50Hz/60Hz lines. Designed for seamless integration with Arduino and Raspberry Pi, it supports high-frequency PWM signals (up to 10kHz) for precise dimming and motor speed control. Featuring an onboard snubber circuit for triac protection and full isolation between low and high voltage sides, it’s the ultimate smart automation tool for lighting, fans, pumps, and heaters worldwide.

## Description

DIMMING LEVEL CONTROL VIA PWM SIGNAL OR VOLTAGE LEVEL For 50Hz and 60Hz AC Lines This module is designed to control the intensity of incandescent lamps, AC LED dimmable bulbs, LED Strips, Power of heating elements and AC motor speed through a micro-controller by PWM signal or voltage level. Device characteristics : PCB dimensions: 50mm x 75mm Mounting holes diameter: 3.2mm Distance between holes: vertical 68mm,horizontal 43mm Working voltage 80...240VAC Current 3A Device power supply - 5V or 3.3V Compatible for 50Hz and 60Hz AC LINE Autodetect AC LINE frequency - 50Hz or 60Hz PWM input signal up to 10kHz Input voltage level up to VCC (0-3.3V / 0-5V) 50HZ LED - show detected 50Hz AC Line 60HZ LED - show detected 60Hz AC Line Both LED flashing - when AC Line is not detected POPWE LED - indicate device power On-board Snubber circuit for triac protection, when you're controlling inductive load Low voltage side and high voltage side is completely isolated Fully compatible with any MCU, Arduino or Raspberry boards NOT appropriate to change the brightness of fluorescent lamps !!! To control LED STRIP, diode rectifier must be connected before AC INPUT. AC LOAD dimming control via firing angle method.

## Features

- AC Light Dimmer Module Controller ARDUINO RASPBERRY Compatible 50/60Hz 80-240VAC
- Auto Detect AC LINE frequency - 50Hz or 60Hz. Device can be controlled via variable resistor !
- Compatible with any ARDUINO, RASPBERRY and other MCU. PWM input signal up to 10kHz
- AC LOAD dimming control via firing angle method. Working voltage 80...240VAC
- AC Phase Control Circuit (Dimming Circuit) / Home Automation, School Projects, Work Related Projects. Plus can be used as regular RELAY

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B06Y1DT1WP |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 114,825 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 217 in Motor Drivers 6,531 in Switches & Dimmers |
| Colour | Blue |
| Date First Available | 4 April 2017 |
| Item Package Quantity | 1 |
| Item Weight | 17 g |
| Item model number | PWM1ChKrida |
| Manufacturer | Krida |
| Part number | PWM1ChKridaK |
| Product Dimensions | 5.08 x 5.08 x 2.54 cm; 17.01 g |
| Size | PWM 1 Channel |
| Special Features | PWM AC dimmer for Arduino, ac light dimmer module arduino, PWM AC dimmer for Raspberry Pi, ac light dimmer module for arduino, triac drives via zero-cross, ac dimmer module pwm |
| Specific uses | Business |
| Switch Type | 1-way |
| Wattage | 500 watts |

## Product Details

- **Brand:** Krida
- **Connector type:** Screw
- **Contact type:** Normally Open
- **Current rating:** 3 Amps
- **Item dimensions L x W x H:** 5.1 x 5.1 x 2.5 centimetres
- **Material:** Plastic
- **Operating voltage:** 5 Volts
- **Operation mode:** Dimmer
- **Switch type:** Power Diode
- **Terminal:** Screw

## Images

![PWM AC Voltage Dimmer 50/60Hz 80-240VAC for Arduino Raspberry Leading Edge Dimmer for AC Motor Pump Fan Light Heater Max 500W Pro Engineered Onboard Snubber Circuit - Compatible Worldwide - Image 1](https://m.media-amazon.com/images/I/71w2nW2I7UL.jpg)
![PWM AC Voltage Dimmer 50/60Hz 80-240VAC for Arduino Raspberry Leading Edge Dimmer for AC Motor Pump Fan Light Heater Max 500W Pro Engineered Onboard Snubber Circuit - Compatible Worldwide - Image 2](https://m.media-amazon.com/images/I/31VTWezL3fL.jpg)
![PWM AC Voltage Dimmer 50/60Hz 80-240VAC for Arduino Raspberry Leading Edge Dimmer for AC Motor Pump Fan Light Heater Max 500W Pro Engineered Onboard Snubber Circuit - Compatible Worldwide - Image 3](https://m.media-amazon.com/images/I/71SULAYE+AL.jpg)
![PWM AC Voltage Dimmer 50/60Hz 80-240VAC for Arduino Raspberry Leading Edge Dimmer for AC Motor Pump Fan Light Heater Max 500W Pro Engineered Onboard Snubber Circuit - Compatible Worldwide - Image 4](https://m.media-amazon.com/images/I/71LcSegTh3L.jpg)
![PWM AC Voltage Dimmer 50/60Hz 80-240VAC for Arduino Raspberry Leading Edge Dimmer for AC Motor Pump Fan Light Heater Max 500W Pro Engineered Onboard Snubber Circuit - Compatible Worldwide - Image 5](https://m.media-amazon.com/images/I/81lgwMZX+XL.jpg)

## Questions & Answers

**Q: Is there any sample code available for this 
device?**
A: unsigned int i;

void setup()
{
    pinMode(3, OUTPUT);
}


void loop() {
  

for(i=240;i>20;i--)
{
 analogWrite(3,i);
 delay(20);
}

delay(1000);

for(i=20;i<240;i++)
{
 analogWrite(3,i);
 delay(20);
}


}

**Q: Is the triac driver zero cross**
A: Yes, triac drives via zero-cross!

**Q: Can this module dim a 150w leds street light control by the raspberry pi 3 ?**
A: Yes, by pwm signal from raspberry.

**Q: Would we be able to use this for 60VAC load?**
A: It needs 80V

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---

*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-03-21*