--- product_id: 400813878 title: "Waveshare Industrial Modbus RTU 8-ch Relay Module with RS485 Interface Multi Isolation Protection Circuits Comes with an ABS Enclosure" brand: "waveshare" price: "£3.73" currency: GBP in_stock: false url: https://www.desertcart.co.uk/products/400813878-waveshare-industrial-modbus-rtu-8-ch-relay-module-with-rs485 store_origin: GB region: United Kingdom --- # 600W Power Capacity 10A Current Rating Multi Isolation Protection Waveshare Industrial Modbus RTU 8-ch Relay Module with RS485 Interface Multi Isolation Protection Circuits Comes with an ABS Enclosure **Brand:** waveshare **Price:** £3.73 **Availability:** ❌ Out of Stock ## Summary > 🔌 Power Up Your Automation Game! ## Quick Answers - **What is this?** Waveshare Industrial Modbus RTU 8-ch Relay Module with RS485 Interface Multi Isolation Protection Circuits Comes with an ABS Enclosure by waveshare - **How much does it cost?** £3.73 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/400813878-waveshare-industrial-modbus-rtu-8-ch-relay-module-with-rs485) ## 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 - • **🔗 Cascadable Design:** Connect multiple devices on a single RS485 bus for expanded functionality. - • **🔒 Enhanced Isolation:** Onboard isolation features ensure high reliability and low interference. - • **🛠️ Easy Installation:** DIN rail mountable ABS enclosure for quick and safe setup. - • **⚙️ Automatic Operation Mode:** Enjoy hassle-free automation with built-in operational efficiency. - • **🔧 Configurable Device Address:** Easily set addresses from 1 to 255 for seamless integration. ## Overview The Waveshare Industrial Modbus RTU 8-ch Relay Module is a robust and versatile device designed for seamless automation in industrial settings. With features like configurable device addresses, multi-device cascading, and advanced isolation protection, this relay module ensures reliable performance and easy integration into your existing systems. Its durable ABS enclosure and straightforward installation make it a must-have for professionals looking to enhance their operational efficiency. ## Description Overview This is an industrial 8-ch relay module controlled via RS485 bus, utilizing Modbus RTU protocol. It features embedded protection circuits such as power isolation, magnetical isolation, and TVS diode, etc. It also comes with an ABS enclosure. The Modbus RTU Relay is very easy to use. Due to its fast communication, stability, reliability, and safety, it is an ideal choice for industrial control equipments and/or applications with high communication requirement. 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 TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, Lighningproof & anti-electrostatic Onboard Optocoupler isolation, prevent interference from external high-voltage circuit connected to the relay 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 3 LEDs for indicating the MCU status and signal transceiving status ## 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 TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, llgthningproof & anti-electrostatic. Onboard Optocoupler isolation, prevent interference from external high-voltage circuit connected to the relay - 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. 3 LEDs for indicating the MCU status and signal transceiving status ## Technical Specifications | Specification | Value | |---------------|-------| | Connector Type | Clamp | | Current Rating | 10 Amps | | Mounting Type | DIN Rail Mount | | Brand | Waveshare | | Operation Mode | Automatic | | Wattage | 600 Watts | | Coil Voltage | 5 Volts | | Contact Current Rating | 10 Amps | | Maximum Switching Current | 10 Amps | | Number of Terminals | 2 | | UPC | 614961956988 | | Manufacturer | Waveshare | | Model number | Modbus RTU Relay (EN) | | Item Weight | 40 g | | Package Dimensions | 20.7 x 14.8 x 5.2 cm; 40 g | | Item model number | Modbus RTU Relay (EN) | | Number of Channels | 8 | | Processor brand | VIA | | Maximum Memory Supported | 1 TB | | Voltage | 5 Volts | | Are batteries included? | No | | Hardware Interface Type | Ethernet | ## Product Details - **Connector Type:** Clamp - **Current Rating:** 10 Amps - **Mounting Type:** DIN Rail Mount - **Brand:** Waveshare - **Operation Mode:** Automatic ## Images ![Waveshare Industrial Modbus RTU 8-ch Relay Module with RS485 Interface Multi Isolation Protection Circuits Comes with an ABS Enclosure - Image 1](https://m.media-amazon.com/images/I/61T10dJIEdL.jpg) ![Waveshare Industrial Modbus RTU 8-ch Relay Module with RS485 Interface Multi Isolation Protection Circuits Comes with an ABS Enclosure - Image 2](https://m.media-amazon.com/images/I/61LWB0QNK6L.jpg) ![Waveshare Industrial Modbus RTU 8-ch Relay Module with RS485 Interface Multi Isolation Protection Circuits Comes with an ABS Enclosure - Image 3](https://m.media-amazon.com/images/I/61DUPmdOpaL.jpg) ![Waveshare Industrial Modbus RTU 8-ch Relay Module with RS485 Interface Multi Isolation Protection Circuits Comes with an ABS Enclosure - Image 4](https://m.media-amazon.com/images/I/71vrmP1ms4L.jpg) ![Waveshare Industrial Modbus RTU 8-ch Relay Module with RS485 Interface Multi Isolation Protection Circuits Comes with an ABS Enclosure - Image 5](https://m.media-amazon.com/images/I/71I1OG-O+iL.jpg) ## Frequently Bought Together - Waveshare Industrial Modbus RTU 8-ch Relay Module with RS485 Interface Multi Isolation Protection Circuits Comes with an ABS Enclosure - USB to RS485 Converter Industrial Adapter Original FT232RL and SP485EEN Fast Communication Embedded Protection Circuits Resettable Fuse ESD Protection - RS485 CAN HAT for Raspberry Pi 5/4B/3B+/3B/2B/B+/Zero/Zero W/WH/Zero 2W, Long-Distance Communication via RS485/CAN Function Onboard CAN Controller MCP2515 via SPI Interface Transceiver SIT65HVD230DR --- ## 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.co.uk/products/400813878-waveshare-industrial-modbus-rtu-8-ch-relay-module-with-rs485](https://www.desertcart.co.uk/products/400813878-waveshare-industrial-modbus-rtu-8-ch-relay-module-with-rs485) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-18*