---
product_id: 437149783
title: "10Pcs 1 Channel DC 3V/3.3V Relay Power Switch Module with Optocoupler Relay Module Isolated Drive Control Board for IOT ESP8266 Microcontrollers Development Board 3v Logic Level Boards"
brand: "shutao"
price: "R$232"
currency: BRL
in_stock: true
url: https://www.desertcart.com.br/products/437149783-10pcs-1-channel-dc-3v-3-3v-relay-power-switch
store_origin: BR
region: Brazil
---

# 3V/3.3V Power Dual Power Input <20ms Response 10Pcs 1 Channel DC 3V/3.3V Relay Power Switch Module with Optocoupler Relay Module Isolated Drive Control Board for IOT ESP8266 Microcontrollers Development Board 3v Logic Level Boards

**Brand:** shutao
**Price:** R$232
**Availability:** ✅ In Stock

## Summary

> 🔗 Connect, Control, Conquer!

## Quick Answers

- **What is this?** 10Pcs 1 Channel DC 3V/3.3V Relay Power Switch Module with Optocoupler Relay Module Isolated Drive Control Board for IOT ESP8266 Microcontrollers Development Board 3v Logic Level Boards by shutao
- **How much does it cost?** R$232 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/437149783-10pcs-1-channel-dc-3v-3-3v-relay-power-switch)

## Best For

- shutao enthusiasts

## Why This Product

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

## Key Features

- • **🔒 High Reliability:** Experience unmatched photoelectric isolation protection.
- • **🚀 Fast Response Time:** React in less than 20 milliseconds for seamless control.
- • **🔄 Flexible Power Options:** Choose between shared or separate power supplies for convenience.
- • **🔋 Long-lasting Performance:** Enjoy a relay life of up to 100,000 cycles.
- • **⚙️ Versatile Compatibility:** Easily integrates with ESP8266 and other microcontrollers.

## Overview

The 10Pcs 1 Channel DC 3V/3.3V Relay Power Switch Module is a robust and versatile control board designed for IoT applications. Featuring photocoupler isolation, dual power supply options, and a rapid response time, this module ensures high reliability and compatibility with various microcontrollers, making it an essential tool for developers and tech enthusiasts.

## Description

10Pcs 1 Channel DC 3V/3.3V Relay Power Switch Module with Optocoupler Relay Module Isolated Drive Control Board for IOT ESP8266 Microcontrollers Development Board 3v Logic Level Boards

## Features

- 3V 1 channel relay interface board support photocoupler isolation control,has the output signal indicator,the signal input port can connect SCM IO port, high level signal drive
- Relay board provides a single relay that can be controlled by any 3V/3.3V digital input from your microcontroller IO, support dual power supply input ensure high anti-interference ability,high reliability of photoelectric isolation protection
- 3V/3.3V power relay module supports photocoupler isolation control and dual power supply input ensure high anti-interference ability. with diode continuous flow protection,response time is less than 20 milliseconds,long life of relay can be absorbed 100,000 times continuously.
- You can select whether the relay and the signal use the same power supply or not by removing the jumper caps on the pins. And It is better to share the same power supply, because that is more convenient for using.
- Relay Module: SRD-DC03V-SL-C; Channel: 1 channel; Working Voltage: DC 3-3.3V; Compatible Load: 10A 250VAC / 10A 30VDC; Single Socket Length: 7.5mm

## Product Details

- **Connector Type:** Rotary Crimping Terminals
- **Contact Material:** Silver Alloy
- **Contact Type:** Normally Closed
- **Current Rating:** 10 Amps
- **Mounting Type:** Socket Mount

## Images

![10Pcs 1 Channel DC 3V/3.3V Relay Power Switch Module with Optocoupler Relay Module Isolated Drive Control Board for IOT ESP8266 Microcontrollers Development Board 3v Logic Level Boards - Image 1](https://m.media-amazon.com/images/I/81lbJoqfuIL.jpg)

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**Shop now:** [https://www.desertcart.com.br/products/437149783-10pcs-1-channel-dc-3v-3-3v-relay-power-switch](https://www.desertcart.com.br/products/437149783-10pcs-1-channel-dc-3v-3-3v-relay-power-switch)

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*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-02-23*