---
product_id: 383461930
title: "5v/12v/24v 30hA Single Switch Relay Module Optocoupler Isolation Module Relay Control Board 5v Relay Module 30a with optocoupler Isolation Relay Module 1 Channel 12v 24v"
brand: "shaokao"
price: "FREE"
currency: USD
in_stock: false
url: https://www.desertcart.ec/products/383461930-5v-12v-24v-30ha-single-switch-relay-module-optocoupler-isolation
store_origin: EC
region: Ecuador
---

# 30A Output Optocoupler Isolation Multi-Voltage Support 5v/12v/24v 30hA Single Switch Relay Module Optocoupler Isolation Module Relay Control Board 5v Relay Module 30a with optocoupler Isolation Relay Module 1 Channel 12v 24v

**Brand:** shaokao
**Price:** FREE
**Availability:** ❌ Out of Stock

## Summary

> 🔋 Power Your Projects with Confidence!

## Quick Answers

- **What is this?** 5v/12v/24v 30hA Single Switch Relay Module Optocoupler Isolation Module Relay Control Board 5v Relay Module 30a with optocoupler Isolation Relay Module 1 Channel 12v 24v by shaokao
- **How much does it cost?** FREE with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/383461930-5v-12v-24v-30ha-single-switch-relay-module-optocoupler-isolation)

## Best For

- shaokao enthusiasts

## Why This Product

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

## Key Features

- • **Quality Assurance:** 100% brand new with a commitment to high-quality standards.
- • **Reliable Isolation:** Photocoupler isolation ensures stable performance and strong driving ability.
- • **Powerful Performance:** Experience robust control with a 30A output capacity.
- • **User-Friendly Design:** Standard 30A terminals for easy and secure connections.
- • **Versatile Voltage Options:** Compatible with 5V, 12V, and 24V systems for ultimate flexibility.

## Overview

The SHAOKAO 30A Single Switch Relay Module is a high-quality control board designed for versatile applications. With options for 5V, 12V, and 24V, it features photocoupler isolation for enhanced stability and reliability, making it an essential component for any professional project.

## Description

5v/12v/24v 30hA Single Switch Relay Module Optocoupler Isolation Module Relay Control Board 5v relay module 30a with optocoupler isolation relay module 1 channel 12v 24vFeatures: 100% brand new and high qualityOutput capacity: AC 250V/30hA, DC 30V/30hA or lessThese Relay Board use photocoupler isolation that has strong driving ability and stable performance.Using the industry's high-quality ultra-small optocoupler, strong anti-interference ability and stable performanceAdopt 9.5mm black fence type terminal, standard 30hA terminal, stable and firm, reliable qualityYY-30 (12V) and another 5V, 24V is optional.Specification: Product Model: YY-30 (12V) and another 5V, 24V is optional.Output Capacity: AC 250V/30hA, DC 30V/30hA or lessModule Interface Description:1. DC+: the positive pole- of an external DC power supply2. DC-: the negative pole- of an external DC power supply3. NO: The relay is normally open interface, the relay is suspended before it is closed, and it is shorted to COM after it is closed.4. COM: relay common interfacePackage Includes: 1 Piece Relay Modulenote: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand.Please allow 0-1cm error due to the manual measurment.

## Features

- Adopt 9.5mm black fence type terminal, standard 30hA terminal, stable and firm, reliable quality
- YY-30 (12V) and another 5V, 24V is optional.
- 100% brand new and high quality
- These Relay Board use photocoupler isolation that has strong driving ability and stable performance.
- Output capacity: AC 250V/30hA, DC 30V/30hA or less

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | SHAOKAO |
| Part Number | SHAOKAO |
| Manufacturer reference | SHAOKAO |

## Images

![5v/12v/24v 30hA Single Switch Relay Module Optocoupler Isolation Module Relay Control Board 5v Relay Module 30a with optocoupler Isolation Relay Module 1 Channel 12v 24v - Image 1](https://m.media-amazon.com/images/I/51XREcS+JNL.jpg)
![5v/12v/24v 30hA Single Switch Relay Module Optocoupler Isolation Module Relay Control Board 5v Relay Module 30a with optocoupler Isolation Relay Module 1 Channel 12v 24v - Image 2](https://m.media-amazon.com/images/I/51320tsNMdL.jpg)
![5v/12v/24v 30hA Single Switch Relay Module Optocoupler Isolation Module Relay Control Board 5v Relay Module 30a with optocoupler Isolation Relay Module 1 Channel 12v 24v - Image 3](https://m.media-amazon.com/images/I/51D5luk8QYL.jpg)
![5v/12v/24v 30hA Single Switch Relay Module Optocoupler Isolation Module Relay Control Board 5v Relay Module 30a with optocoupler Isolation Relay Module 1 Channel 12v 24v - Image 4](https://m.media-amazon.com/images/I/51q+GoHuHGL.jpg)
![5v/12v/24v 30hA Single Switch Relay Module Optocoupler Isolation Module Relay Control Board 5v Relay Module 30a with optocoupler Isolation Relay Module 1 Channel 12v 24v - Image 5](https://m.media-amazon.com/images/I/51q1gZ3fTvL.jpg)

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*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-02-28*