---
product_id: 692303854
title: "DONGKER 8-Channel Optocoupler Isolation Board, Dc 3.3V 5V Driver Photoelectric Isolated Module Pnp Npn Signal Converter Low High Level Output 1 Piece Red"
brand: "dongker"
price: "7351 kr"
currency: ISK
in_stock: true
reviews_count: 5
category: "Dongker"
url: https://www.desertcart.is/products/692303854-dongker-8-channel-optocoupler-isolation-board-dc-3-3v-5v
store_origin: IS
region: Iceland
---

# Supports DC 1.8V-24V load voltage 8-Channel input/output Optocoupler isolation control DONGKER 8-Channel Optocoupler Isolation Board, Dc 3.3V 5V Driver Photoelectric Isolated Module Pnp Npn Signal Converter Low High Level Output 1 Piece Red

**Brand:** dongker
**Price:** 7351 kr
**Availability:** ✅ In Stock

## Summary

> 🛠️ Power your projects with precision and protection — isolation redefined!

## Quick Answers

- **What is this?** DONGKER 8-Channel Optocoupler Isolation Board, Dc 3.3V 5V Driver Photoelectric Isolated Module Pnp Npn Signal Converter Low High Level Output 1 Piece Red by dongker
- **How much does it cost?** 7351 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/692303854-dongker-8-channel-optocoupler-isolation-board-dc-3-3v-5v)

## Best For

- dongker enthusiasts

## Why This Product

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

## Key Features

- • **Dual Signal Output Modes:** Switch between NPN/PNP low/high level outputs to fit any system architecture.
- • **8-Channel Power Precision:** Seamlessly manage multiple signals with 8 isolated channels for ultimate control.
- • **Wide Voltage Compatibility:** Effortlessly supports DC 3.3V/5V input and 1.8V-24V load voltage for versatile applications.
- • **Industrial-Grade Durability:** Operates flawlessly from -20℃ to 85℃ with 10%-85% humidity tolerance—built for real-world environments.
- • **Robust Isolation Technology:** Optocoupler isolation ensures noise-free, reliable signal transmission under all conditions.

## Overview

The DONGKER 8-Channel Optocoupler Isolation Board is a high-performance module designed for professional control systems. It features 8 isolated input/output channels, supports DC 3.3V/5V inputs, and handles load voltages from 1.8V to 24V. With NPN/PNP signal output flexibility and robust optocoupler isolation, it ensures clean, reliable signal conversion ideal for PLCs, alarms, and industrial automation. Rated for wide temperature and humidity ranges, this compact 72x50x27mm module is engineered for demanding environments.

## Description

Description: It is a DC 3.3V 5V 8-Channel Optocoupler Isolation Module. It can detect 8-Channel DC input power sources and output DC voltage according to the detection results. The output results can be applied to PLC system and other control equipment. It can detect whether there is input power. The output status will change when the input power is detected. Features: 1. Optocoupler isolation control. 2. 8-Channel input and output. 3. NPN / PNP (Low/High level) signal output. 4. Support DC 3.3V5V Input. 5. DC 1.8V-24V load voltage Specification: Product name: DC 3.3V 5V 8-Channel Optocoupler Isolation Module Input Voltage: DC 3.3V5V Load Input Voltage: DC 1.8V24V Output type: NPN / PNP (Low/High level) signal output Output current: 50mA Work Temperature: -20℃85℃ Work Humidity: 10%85%RH Size: 725027mm Application: 1. DC power detection. 2. PLC control system. 3. Device alarm. Package list : 1pcs DC 3.3V 5V 8-Channel Optocoupler Isolation Module.

Review: FAR SUPERIOR - These octopus couplers are far superior to the old individual ones
Review: muy conforme - excelente producto

## Features

- Optocoupler isolation control.
- 8-Channel input and output.
- NPN / PNP (Low/High level) signal output.
- Support DC 3.3V5V Input.
- DC 1.8V-24V load voltage.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08LYQQ7X6 |
| Brand | DONGKER |
| Brand Name | DONGKER |
| Customer Reviews | 4.3 out of 5 stars 36 Reviews |
| Manufacturer | DONGKER |
| Model | 1 |
| Number Of Contacts | 8 |
| Number of Positions | 8 |
| Number of contacts | 8 |
| Part Number | 1 |
| UPC | 770264202464 |

## Product Details

- **Brand:** DONGKER
- **Manufacturer:** DONGKER
- **Number of contacts:** 8
- **UPC:** 770264202464

## Images

![DONGKER 8-Channel Optocoupler Isolation Board, Dc 3.3V 5V Driver Photoelectric Isolated Module Pnp Npn Signal Converter Low High Level Output 1 Piece Red - Image 1](https://m.media-amazon.com/images/I/31458O5WEVL.jpg)
![DONGKER 8-Channel Optocoupler Isolation Board, Dc 3.3V 5V Driver Photoelectric Isolated Module Pnp Npn Signal Converter Low High Level Output 1 Piece Red - Image 2](https://m.media-amazon.com/images/I/51apPXCVZNL.jpg)
![DONGKER 8-Channel Optocoupler Isolation Board, Dc 3.3V 5V Driver Photoelectric Isolated Module Pnp Npn Signal Converter Low High Level Output 1 Piece Red - Image 3](https://m.media-amazon.com/images/I/71YOydhy-WL.jpg)
![DONGKER 8-Channel Optocoupler Isolation Board, Dc 3.3V 5V Driver Photoelectric Isolated Module Pnp Npn Signal Converter Low High Level Output 1 Piece Red - Image 4](https://m.media-amazon.com/images/I/61+Owawu5UL.jpg)
![DONGKER 8-Channel Optocoupler Isolation Board, Dc 3.3V 5V Driver Photoelectric Isolated Module Pnp Npn Signal Converter Low High Level Output 1 Piece Red - Image 5](https://m.media-amazon.com/images/I/51p9GOThz-L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ FAR SUPERIOR
*by M***. on 5 November 2025*

These octopus couplers are far superior to the old individual ones

### ⭐⭐⭐⭐⭐ muy conforme
*by L***Z on 20 August 2025*

excelente producto

### ⭐⭐⭐⭐⭐ Much more compact that 8 individual Iso-optocouplers
*by M***3 on 3 August 2024*

Device is as expected. A must for my Beagle Bone system. I fried my first BBONE because I failed to Isolate the IO.

## Frequently Bought Together

- DONGKER Optocoupler Isolation Board,DC 3.3V 5V PNP NPN 8-Channel Signal Converter Opto Voltage Isolation Module
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*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-09-01*