--- product_id: 96545912 title: "KNACRO 8-Channel 8-CH Relay Module DC 24V10A with Optocoupler Isolation High Low Level Triger for Arduino (DC 24V)" brand: "knacro" price: "4 zł" currency: PLN in_stock: false url: https://www.desertcart.pl/products/96545912-knacro-8-channel-8-ch-relay-module-dc-24v10a-optocoupler store_origin: PL region: Poland --- # 24V Power 10A Load Optocoupler Isolation KNACRO 8-Channel 8-CH Relay Module DC 24V10A with Optocoupler Isolation High Low Level Triger for Arduino (DC 24V) **Brand:** knacro **Price:** 4 zł **Availability:** ❌ Out of Stock ## Summary > 🔧 Power Up Your Projects with Precision! ## Quick Answers - **What is this?** KNACRO 8-Channel 8-CH Relay Module DC 24V10A with Optocoupler Isolation High Low Level Triger for Arduino (DC 24V) by knacro - **How much does it cost?** 4 zł with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/96545912-knacro-8-channel-8-ch-relay-module-dc-24v10a-optocoupler) ## Best For - knacro enthusiasts ## Why This Product - Trusted knacro brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Safety First:** Fault-tolerant design ensures that even if the control line fails, your relay remains inactive. - • **Smart Triggering:** Easily switch between high and low-level triggering with a simple jumper setting. - • **Reliable Isolation:** SMD optocoupler isolation guarantees stable performance and protects your circuits. - • **Robust Performance:** With a maximum load of AC 250V/10A and DC 30V/10A, it handles your toughest tasks with ease. - • **Unleash Your Creativity:** Perfect for Arduino projects, this relay module empowers you to control multiple devices effortlessly. ## Overview The KNACRO 8-Channel Relay Module is a versatile and reliable solution for controlling various devices in your Arduino projects. Operating at 24V, it features high-quality relays with a maximum load capacity of AC 250V/10A and DC 30V/10A. The module's SMD optocoupler isolation ensures stable performance, while its fault-tolerant design keeps your systems safe. With adjustable triggering options, this relay module is perfect for both hobbyists and professionals looking to enhance their automation capabilities. ## Description 1. the module uses genuine quality relay, normally open interfaces Maximum load: AC 250V/10A, DC 30V/10A; 2. using SMD optocoupler isolation, driving ability, stable performance; trigger current 5mA; 3. the module Operating voltage 24V; 4. the module can be high or low by a jumper setting trigger; 5. fault-tolerant design, even if the control line is broken, the relay will not operate; 6. the power indicator (green), the relay status indicator (red) 7. the interface design of human nature, all interfaces are available through a direct connection terminal leads, very convenient 8. module size: 73mm*50mm*17mm (L*W*H) Module interface: 1. DC+: positive power supply (VCC) 2. DC-: negative power supply (GND) 3. IN1,2,3,4,5,6,7,8: can be high or low level control relay S1,S2,S3,S4, S5,S6,S7,S8 HIGHT OR LOW LEVER Relay outputs: 1. NO1,2,3,4,5,6,7,8: normally open relay interface 2. COM1,2,3,4,5,6,7,8: Common Interface Relays 3. NC1,2,3,4,5,6,7,8: normally closed relay interface High and low level trigger options: It is low level trigger when jumper connect to LOW pin It is high level trigger when jumper connect to HIGH pin Package: 1*12V 8CH relay module If you have any question , please feel free to contact us. Feedback: We greatly appreciate your POSITIVE feedback. Please do NOT leave negative feedback without asking for help. Our aim is to provide Top Level Customer Service, so we will try our best to solve any problem.Thank you very much! ## Features - This module Operating voltage 24V - This module uses genuine quality relay, normally open interfaces Maximum load: AC 250V/10A, DC 30V/10A - Using SMD optocoupler isolation, driving ability, stable performance; trigger current 5mA - This module can be high or low by a jumper setting trigger - Fault-tolerant design, even if the control line is broken, the relay will not operate ## Images ![KNACRO 8-Channel 8-CH Relay Module DC 24V10A with Optocoupler Isolation High Low Level Triger for Arduino (DC 24V) - Image 1](https://images-na.ssl-images-amazon.com/images/I/81-9vr2eoXL.jpg) ![KNACRO 8-Channel 8-CH Relay Module DC 24V10A with Optocoupler Isolation High Low Level Triger for Arduino (DC 24V) - Image 2](https://images-na.ssl-images-amazon.com/images/I/81HLp0O4VQL.jpg) ![KNACRO 8-Channel 8-CH Relay Module DC 24V10A with Optocoupler Isolation High Low Level Triger for Arduino (DC 24V) - Image 3](https://images-na.ssl-images-amazon.com/images/I/81o%2Bkichl0L.jpg) ![KNACRO 8-Channel 8-CH Relay Module DC 24V10A with Optocoupler Isolation High Low Level Triger for Arduino (DC 24V) - Image 4](https://images-na.ssl-images-amazon.com/images/I/81pfNCOwafL.jpg) ![KNACRO 8-Channel 8-CH Relay Module DC 24V10A with Optocoupler Isolation High Low Level Triger for Arduino (DC 24V) - Image 5](https://images-na.ssl-images-amazon.com/images/I/71ySArkJyYL.jpg) --- ## 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.pl/products/96545912-knacro-8-channel-8-ch-relay-module-dc-24v10a-optocoupler](https://www.desertcart.pl/products/96545912-knacro-8-channel-8-ch-relay-module-dc-24v10a-optocoupler) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-04-23*