--- 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: "154.58 DT" currency: TND in_stock: true reviews_count: 5 category: "Dongker" url: https://www.desertcart.tn/products/692303854-dongker-8-channel-optocoupler-isolation-board-dc-3-3v-5v store_origin: TN region: Tunisia --- # 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:** 154.58 DT **Availability:** ✅ In Stock ## Summary > 🛠️ Power your projects with precision and isolation — because your control deserves the best! ## 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?** 154.58 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/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 - • **Plug & Play Integration:** Compact 72x50x27mm design fits perfectly into PLC systems and device alarms, boosting your automation game. - • **Dual Signal Output Modes:** Switch between NPN and PNP (Low/High level) outputs to fit your exact system needs. - • **8-Channel Power Precision:** Manage multiple signals seamlessly 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. - • **Robust Isolation Technology:** Optocoupler isolation ensures noise-free, reliable signal transmission for professional-grade setups. ## Overview The DONGKER 8-Channel Optocoupler Isolation Board is a compact, high-performance module designed for professional control systems. Supporting DC 3.3V/5V inputs and a wide load voltage range of 1.8V-24V, it offers 8 isolated channels with selectable NPN/PNP outputs. Ideal for PLC systems and device alarms, it ensures noise-free signal transmission through optocoupler isolation, making it a reliable choice for advanced automation and power detection tasks. ## 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 | 4.4 out of 5 stars 33 Reviews | | Manufacturer | DONGKER | | Model | 1 | | Number Of Contacts | 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 - 5V 5A Power Supply,25W Universal Regulated Switching Power Converter Adapter Transformer for LED Strip Light,Probe Signal Lamp,CCTV, Radio, Computer Project - MILAPEAK 10pcs (5 Sets) 6 Positions Dual Row 600V 25A Screw Terminal Strip Blocks with Cover + 400V 25A 6 Positions Pre-Insulated Terminals Barrier Strip (Black & Red) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/692303854-dongker-8-channel-optocoupler-isolation-board-dc-3-3v-5v](https://www.desertcart.tn/products/692303854-dongker-8-channel-optocoupler-isolation-board-dc-3-3v-5v) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-07-08*