--- product_id: 400813878 title: "Industrial Modbus RTU 8-ch Relay Module with RS485 Interface Multi Isolation Protection Circuits Comes with an ABS Enclosure" brand: "waveshare" price: "€ 255.48" currency: EUR in_stock: true category: "Waveshare" url: https://www.desertcart.fr/products/400813878-industrial-modbus-rtu-8-ch-relay-module-with-rs485-interface store_origin: FR region: France --- # TVS surge & lightning suppression 10A high-current relay rating Multi-layer isolation protection Industrial Modbus RTU 8-ch Relay Module with RS485 Interface Multi Isolation Protection Circuits Comes with an ABS Enclosure **Brand:** waveshare **Price:** € 255.48 **Availability:** ✅ In Stock ## Summary > ⚙️ Elevate your industrial automation with bulletproof relay control — don’t get left behind! ## Quick Answers - **What is this?** 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?** € 255.48 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/400813878-industrial-modbus-rtu-8-ch-relay-module-with-rs485-interface) ## 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 - • **Seamless RS485 Cascading:** Configurable device address (1-255) enables scalable multi-device networks. - • **Powerful 10A Relay Control:** Handles up to 250VAC/30VDC with industrial-grade reliability. - • **Plug & Play DIN Rail Mounting:** Compact ABS enclosure with easy installation and real-time LED status indicators. - • **Robust Multi-Isolation Design:** Magnetical, power, and optocoupler isolation ensure ultra-stable, interference-free operation. - • **Built-in Surge & Electrostatic Defense:** Onboard TVS diode protects your system from voltage spikes and lightning strikes. ## Overview The Waveshare Industrial Modbus RTU 8-channel Relay Module offers high-current switching (10A) with advanced multi-isolation protection circuits including power, magnetical, and optocoupler isolation. Featuring RS485 interface with configurable addresses for cascading multiple devices, onboard TVS diodes for surge protection, and housed in a durable ABS DIN rail enclosure, it ensures reliable, interference-resistant industrial automation control with real-time LED status feedback. ## 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 | |---------------|-------| | ASIN | B083J24HCM | | Brand Name | Waveshare | | Coil Voltage | 5 Volts | | Connector Type | Clamp | | Contact Current Rating | 10 Amps | | Country of Origin | USA | | Current Rating | 10 Amps | | Customer Reviews | 4.8 4.8 out of 5 stars (28) | | Item Weight | 0.01 Kilograms | | Manufacturer | Waveshare | | Maximum Switching Current | 10 Amps | | Model Number | Modbus RTU Relay (EN) | | Mounting Type | DIN Rail Mount | | Number of Items | 1 | | Number of Terminals | 2 | | Operation Mode | Automatic | | Part Number | Modbus RTU Relay (EN) | | UPC | 614961956988 | | Wattage | 600 Watts | ## Product Details - **Brand:** Waveshare - **Connector Type:** Clamp - **Current Rating:** 10 Amps - **Mounting Type:** DIN Rail Mount - **Operation Mode:** Automatic ## Images ![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/41q1fNopcQL.jpg) ![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/41ZlJUY+X4L.jpg) ![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/41NpJeMZuzL.jpg) ![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/51IG6FWnJSL.jpg) ![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/41nWV2tfhwL.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.fr/products/400813878-industrial-modbus-rtu-8-ch-relay-module-with-rs485-interface](https://www.desertcart.fr/products/400813878-industrial-modbus-rtu-8-ch-relay-module-with-rs485-interface) --- *Product available on Desertcart France* *Store origin: FR* *Last updated: 2026-10-22*