--- product_id: 199349588 title: "Industrial Modbus RTU 8-ch Relay Module with RS485 Interface Multi Isolation Protection Circuits Comes with an ABS Enclosure" brand: "waveshare" price: "£57.60" currency: GBP in_stock: true category: "Waveshare" url: https://www.desertcart.co.uk/products/199349588-industrial-modbus-rtu-8-ch-relay-module-with-rs485-interface store_origin: GB region: United Kingdom --- # Surge & electrostatic 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:** £57.60 **Availability:** ✅ In Stock ## Summary > ⚙️ Elevate your industrial automation with bulletproof relay control! ## 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?** £57.60 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/199349588-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 - • **Smart RS485 Cascading:** Configurable device address (1-255) enables seamless multi-device networking on a single bus. - • **Built-in Surge Protection:** Onboard TVS safeguards your system from voltage spikes and lightning-induced surges. - • **Powerful 10A Relay Control:** Handles up to 250VAC/30VDC with tungsten contacts for industrial-grade reliability. - • **Robust Multi-Isolation Design:** Magnetic, optocoupler, and power supply isolation ensure ultra-stable, interference-free operation. - • **Sleek Rail-Mount ABS Enclosure:** Easy installation with status LEDs for real-time MCU and signal monitoring—professional and safe. ## Overview The Waveshare Industrial Modbus RTU 8-channel Relay Module offers high-current switching (10A), advanced multi-layer isolation, and surge protection within a compact rail-mount ABS enclosure. Featuring RS485 interface with configurable addressing, it supports cascading multiple devices for scalable industrial automation solutions. ## Description Buy Waveshare Industrial Modbus RTU 8-ch Relay Module with RS485 Interface Multi Isolation Protection Circuits Comes with an ABS Enclosure: Motherboards - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## 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 | | Best Sellers Rank | #25 in Desktop Barebones #287 in Computer Motherboards | | Brand Name | waveshare | | Coil Voltage | 5 volts | | Connector Type | Clamp | | Contact Current Rating | 10 A | | Contact Material | Tungsten | | Contact Type | Normally Open | | Current Rating | 10 A | | Customer Reviews | 4.8 4.8 out of 5 stars (27) | | Item Weight | 0.01 kg | | Manufacturer | Waveshare | | Maximum Switching Current | 10 A | | Maximum Switching Voltage | 250 volts | | Minimum Switching Voltage | 30 volts_of_direct_current | | Model | Modbus RTU Relay (EN) | | Mounting Type | Rail Mount | | Number of Terminals | 2 | | Operation Mode | Automatic | | Part Number | Modbus RTU Relay (EN) | | UPC | 614961956988 | | Wattage | 600 watts | ## Product Details - **Connector Type:** Clamp - **Contact Material:** Tungsten - **Contact Type:** Normally Open - **Current Rating:** 10 A - **Mounting Type:** Rail Mount ## 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/61T10dJIEdL.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/199349588-industrial-modbus-rtu-8-ch-relay-module-with-rs485-interface](https://www.desertcart.co.uk/products/199349588-industrial-modbus-rtu-8-ch-relay-module-with-rs485-interface) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-08-31*