--- product_id: 619066527 title: "Waveshare Industrial Modbus RTU 8-Ch Relay Module (D) with Digital Input and RS485 Interface, Multi Isolation Protection Circuits, 7~36V Power Supply" brand: "waveshare" price: "705 kr" currency: DKK in_stock: true reviews_count: 2 url: https://www.desertcart.dk/products/619066527-waveshare-industrial-modbus-rtu-8-ch-relay-module-d-digital store_origin: DK region: Denmark --- # 8-Ch Relay RS485 Interface Multi Isolation Waveshare Industrial Modbus RTU 8-Ch Relay Module (D) with Digital Input and RS485 Interface, Multi Isolation Protection Circuits, 7~36V Power Supply **Brand:** waveshare **Price:** 705 kr **Availability:** ✅ In Stock ## Summary > 🔗 Connect with Confidence: Elevate Your Automation Game! ## Quick Answers - **What is this?** Waveshare Industrial Modbus RTU 8-Ch Relay Module (D) with Digital Input and RS485 Interface, Multi Isolation Protection Circuits, 7~36V Power Supply by waveshare - **How much does it cost?** 705 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/619066527-waveshare-industrial-modbus-rtu-8-ch-relay-module-d-digital) ## Best For - waveshare enthusiasts ## Why This Product - Trusted waveshare brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **🔄 Flash-On/Off Functionality:** Automate relay operations with customizable timing. - • **🔋 Efficient Power Management:** Designed for low power consumption while maintaining performance. - • **🔒 Robust Isolation Protection:** Experience high reliability with onboard isolation circuits. - • **🔧 Configurable Device Address:** Easily set addresses from 1 to 255 for seamless integration. - • **⚙️ Versatile Digital Input Support:** Utilize both passive and active inputs for flexible control. ## Overview The Waveshare Industrial Modbus RTU 8-Ch Relay Module (D) is a cutting-edge device designed for robust automation solutions. With features like configurable device addressing, multi-device cascading on RS485, and advanced isolation protection circuits, this relay module ensures high reliability and safety in various industrial applications. Its versatile digital input support and efficient power management make it an essential tool for modern automation needs. ## Description Full description not available ## Features - Configurable device address (1~255), multi devices can be cascaded on RS485 bus - Features flash-on, flash-off function, by passing argument to the command, it is possible to turn on the relay for a while and then close it automatically - Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal - Onboard unibody magnetical isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption - Onboard resettable fuse and TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, provides over-current/over-voltage proof, lightningproof & anti-electrostatic - Onboard Optocoupler isolation, prevent the relay from being interfered by high-voltage circuit - Adopts dedicated relay driver chip, with built-in flyback diode protection, for stronger and more stable driving ability - Supports passive and active digital input, with bi-directional optocoupler isolation, built in debouncing algorithm. The relay supports digital input linkage control or toggle control - Reverse-proof circuit, prevent the circuit from being damaged accidentally by incorrect connection - High quality relay, contact rating: ≤10A 250VAC/30VDC. Rail-mounted ABS plastic enclosure, easy to install, safe to use. Multiple LEDs for indicating the MCU status and signal transceiving status ## Product Details - **Connector Type:** Screw - **Contact Material:** Steel - **Contact Type:** Normally Closed - **Current Rating:** 2 Amps - **Mounting Type:** DIN Rail Mount ## Images ![Waveshare Industrial Modbus RTU 8-Ch Relay Module (D) with Digital Input and RS485 Interface, Multi Isolation Protection Circuits, 7~36V Power Supply - Image 1](https://m.media-amazon.com/images/I/616lKobvudL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Reliable and Easy to Integrate *by D*** on February 1, 2025* This relay module is solidly built and works exactly as expected. The RS485 interface makes setup straightforward, and the screw terminals provide a secure connection. The multi-isolation protection is a nice touch, adding extra reliability when handling different loads. The 7–36V power range gives flexibility, and the digital inputs respond well. It has been running smoothly without any issues, making it a great choice for automation projects or industrial setups. Definitely a dependable option! ### ⭐⭐⭐⭐ Good quality *by J***C on December 27, 2024* Easy to use ## Frequently Bought Together - Waveshare Industrial Modbus RTU 8-Ch Relay Module (D) with Digital Input and RS485 Interface, Multi Isolation Protection Circuits, 7~36V Power Supply - Waveshare USB to RS485 Converter with Protection Circuits, Compatible with TVs - USB to RS485 Converter Industrial Adapter Original FT232RL and SP485EEN Fast Communication Embedded Protection Circuits Resettable Fuse ESD Protection --- ## 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.dk/products/619066527-waveshare-industrial-modbus-rtu-8-ch-relay-module-d-digital](https://www.desertcart.dk/products/619066527-waveshare-industrial-modbus-rtu-8-ch-relay-module-d-digital) --- *Product available on Desertcart Denmark* *Store origin: DK* *Last updated: 2026-04-23*