---
product_id: 197943814
title: "DaoRier 3-CH relay 3-channel relay module with optical isolator, separation compatible 5 mA 3.3V 5V signal for Arduino TTL Logic PIC DSP AVR ARM, 5 pieces"
brand: "daorier"
price: "HK$337"
currency: HKD
in_stock: true
category: "Electronics"
url: https://www.desertcart.hk/products/197943814-daorier-3-ch-relay-3-channel-relay-module-with-optical
store_origin: HK
region: Hong Kong
---

# DaoRier 3-CH relay 3-channel relay module with optical isolator, separation compatible 5 mA 3.3V 5V signal for Arduino TTL Logic PIC DSP AVR ARM, 5 pieces

**Brand:** daorier
**Price:** HK$337
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** DaoRier 3-CH relay 3-channel relay module with optical isolator, separation compatible 5 mA 3.3V 5V signal for Arduino TTL Logic PIC DSP AVR ARM, 5 pieces by daorier
- **How much does it cost?** HK$337 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/197943814-daorier-3-ch-relay-3-channel-relay-module-with-optical)

## Best For

- daorier enthusiasts

## Why This Product

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

## Description

Colour Name:Blau x 5
            
          
          
        
      
    
  


        
        
     
	       
     

     

     

     
                              
     
       
        
        
          
          
            
              Features: The use of optical input and output, improved anti-jamming ability and consumption.To ensure the stability, industrial grade circuit board.Applied to engine, LED string lights, mini pump, etc. control.Please note: Relay output is passively issued contact for free, and it under control of the on and off the line.Technical data: Size: 63 x 42 x 20 mm.Trigger level: 5V version: 3V-7V trigger.Trigger power: approximately 5 mA (for example, 3.3V MCU controller needs to have a push-pull output IO).Control voltage: AC0-250V or 0-30V DC.Control current: 0-7A.Included:Pack of 5 DaoRier 5 mA 3&#xA0;channel relay module.

## Features

- Size: 63 x 42 x 20 mm.
- Trigger level: 5V version: 3V-7V trigger.
- Trigger power: approximately 5 mA (for example, 3.3V MCU controller needs to have a push-pull output IO).
- Control voltage: AC0-250V or 0-30V DC.
- Control current: 0-7A.

## Images

![DaoRier 3-CH relay 3-channel relay module with optical isolator, separation compatible 5 mA 3.3V 5V signal for Arduino TTL Logic PIC DSP AVR ARM, 5 pieces - Image 1](https://images-na.ssl-images-amazon.com/images/I/71ZBxJWpSVL.jpg)
![DaoRier 3-CH relay 3-channel relay module with optical isolator, separation compatible 5 mA 3.3V 5V signal for Arduino TTL Logic PIC DSP AVR ARM, 5 pieces - Image 2](https://images-na.ssl-images-amazon.com/images/I/61kp1ECzrIL.jpg)
![DaoRier 3-CH relay 3-channel relay module with optical isolator, separation compatible 5 mA 3.3V 5V signal for Arduino TTL Logic PIC DSP AVR ARM, 5 pieces - Image 3](https://images-na.ssl-images-amazon.com/images/I/61-2HdC6N7L.jpg)
![DaoRier 3-CH relay 3-channel relay module with optical isolator, separation compatible 5 mA 3.3V 5V signal for Arduino TTL Logic PIC DSP AVR ARM, 5 pieces - Image 4](https://images-na.ssl-images-amazon.com/images/I/61DlixD1fsL.jpg)
![DaoRier 3-CH relay 3-channel relay module with optical isolator, separation compatible 5 mA 3.3V 5V signal for Arduino TTL Logic PIC DSP AVR ARM, 5 pieces - Image 5](https://images-na.ssl-images-amazon.com/images/I/61%2BWGYH7qUL.jpg)

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**Shop now:** [https://www.desertcart.hk/products/197943814-daorier-3-ch-relay-3-channel-relay-module-with-optical](https://www.desertcart.hk/products/197943814-daorier-3-ch-relay-3-channel-relay-module-with-optical)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-02-01*