---
product_id: 111859038
title: "2-Pack DC 5V 8 Channel Relay Module with Optocoupler Expansion Board for UNO R3 MEGA 2560 1280 PIC AVR DSP ARM STM32 Raspberry Pi"
brand: "r reifeng"
price: "₨160"
currency: SCR
in_stock: false
url: https://www.desertcart.sc/products/111859038-2-pack-dc-5v-8-channel-relay-module-with-optocoupler
store_origin: SC
region: Seychelles
---

# 10A high current relay 8-channel optical isolation Universal MCU compatibility 2-Pack DC 5V 8 Channel Relay Module with Optocoupler Expansion Board for UNO R3 MEGA 2560 1280 PIC AVR DSP ARM STM32 Raspberry Pi

**Brand:** r reifeng
**Price:** ₨160
**Availability:** ❌ Out of Stock

## Summary

> 🔗 Connect Smarter, Control Faster — Power Your Projects Like a Pro!

## Quick Answers

- **What is this?** 2-Pack DC 5V 8 Channel Relay Module with Optocoupler Expansion Board for UNO R3 MEGA 2560 1280 PIC AVR DSP ARM STM32 Raspberry Pi by r reifeng
- **How much does it cost?** ₨160 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/111859038-2-pack-dc-5v-8-channel-relay-module-with-optocoupler)

## Best For

- r reifeng enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Double-sided FR-4 PCB and industrial-grade relays for long-term stability.
- • **Power Through Anything:** Handles up to 10A at AC250V/DC30V for robust device control.
- • **Effortless Installation:** Standard screw holes and clear terminal labeling for quick setup.
- • **Plug & Play Versatility:** Seamlessly integrates with Arduino, Raspberry Pi, STM32, and more.
- • **Interference-Proof Reliability:** Optocoupler isolation ensures safe, noise-free operation in complex setups.

## Overview

This 2-pack 8-channel 5V relay module features high-current relays rated for 10A at AC250V/DC30V, with optocoupler isolation for enhanced safety and interference resistance. Designed for broad MCU compatibility including Arduino UNO R3, MEGA 2560, PIC, AVR, ARM, and Raspberry Pi, it offers a durable double-sided FR-4 PCB and user-friendly installation with fixed screw holes and labeled terminals. Ideal for smart home automation, industrial control, and DIY electronics projects.

## Description

Features: Using high-current relay , AC250V 10A DC30V 10A Contact some independent wiring , safe and reliable Standard interface , can be extended in a variety of development board With fixed screw holes for easy installation Suitable for a variety of platforms such as 51/AVR/AVR/ARM Module Description: 1 , the module complies with international safety standards , the load control area and regional isolation tank ; 2, using double-sided FR-4 circuit board design, high-end chip production process ; 3, using loose music authentic relay control ; 4, with the relay instructions , pull off, disconnect does not shine ; 5, the signal input has a low signal , often beginning with a common terminal will be turned on ; 6 , the relay can control the various devices and the load ; 7 , 8 and 8 normally open normally closed contact ; 8 , blue KF301 terminals to the control line is more convenient; 9 , Module size : 138m * 56mm * 18.5mm ( L * W * H ) , Weight : 120g 10 with 4 fixing bolt holes , hole 3.1mm, pitch 131mm * 49.5mm 11 , finished by 100% functional testing and stability testing. Two module interface : 1, VCC: 5V power supply connected to the positive 2, GND: 5V power supply connected to the negative 3, IN1-IN8: trigger signal , active low Relay outputs : a 12- line interface, the interface can be directly connected to all leads , user-friendly 1, NO1 - NO8: normally open relay interfaces , relay before the vacant after the pull shorted with COM 2, COM1 - COM8 Relay Common Interface 3, NC1 - NC8: normally closed relay interface relay shorted with COM ago , after the pull- vacant Package including 2* 8 channel relay module(the accessories is not included).

## Features

- 5V 8-Channel Relay interface board
- Using a large current relay, AC250V 10A DC30V 10A
- The 8 channels are optically isolated, safe, reliable, anti-interference
- Widely used for all MCU control, industrial sector, PLC control, smart home control,Suitable for various platforms such as 51/AVR/AVR/ARM
- Suitable for various platforms such as 51/AVR/AVR/ARM

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Contact Type | Normally Closed |
| Current Rating | 10 Amps |
| Brand | R REIFENG |
| Operation Mode | Automatic |
| Coil Voltage | 5 Volts |
| Maximum Switching Current | 10 Amps |
| Manufacturer | R REIFENG |
| Item Weight | 8.1 ounces |
| Package Dimensions | 6.57 x 5.55 x 0.87 inches |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | ZD-003 |

## Product Details

- **Contact Type:** Normally Closed
- **Current Rating:** 10 Amps
- **Brand:** R REIFENG
- **Operation Mode:** Automatic
- **Coil Voltage:** 5 Volts

## Images

![2-Pack DC 5V 8 Channel Relay Module with Optocoupler Expansion Board for UNO R3 MEGA 2560 1280 PIC AVR DSP ARM STM32 Raspberry Pi - Image 1](https://m.media-amazon.com/images/I/61PYM6V2Q7L.jpg)
![2-Pack DC 5V 8 Channel Relay Module with Optocoupler Expansion Board for UNO R3 MEGA 2560 1280 PIC AVR DSP ARM STM32 Raspberry Pi - Image 2](https://m.media-amazon.com/images/I/71MbCGC0exL.jpg)
![2-Pack DC 5V 8 Channel Relay Module with Optocoupler Expansion Board for UNO R3 MEGA 2560 1280 PIC AVR DSP ARM STM32 Raspberry Pi - Image 3](https://m.media-amazon.com/images/I/61nxAQQMspL.jpg)
![2-Pack DC 5V 8 Channel Relay Module with Optocoupler Expansion Board for UNO R3 MEGA 2560 1280 PIC AVR DSP ARM STM32 Raspberry Pi - Image 4](https://m.media-amazon.com/images/I/61T26lsXS5L.jpg)
![2-Pack DC 5V 8 Channel Relay Module with Optocoupler Expansion Board for UNO R3 MEGA 2560 1280 PIC AVR DSP ARM STM32 Raspberry Pi - Image 5](https://m.media-amazon.com/images/I/71EiTlr-+tL.jpg)

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**Shop now:** [https://www.desertcart.sc/products/111859038-2-pack-dc-5v-8-channel-relay-module-with-optocoupler](https://www.desertcart.sc/products/111859038-2-pack-dc-5v-8-channel-relay-module-with-optocoupler)

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-02-14*