--- product_id: 505997015 title: "REES52 Industrial Modbus RTU 8-Channels Relay Module with RS485 Bus Modbus RTU Protocol Onboard Multi Isolation Protection Circuits(Power Isolation, ADI Magnetical Isolation,etc.) 5V Voltage" brand: "rees52" price: "$U5125" currency: UYU in_stock: true category: "Rees52" url: https://www.desertcart.uy/products/505997015-rees52-industrial-modbus-rtu-8-channels-relay-module-with-rs485 store_origin: UY region: Uruguay --- # 5V Power 8 Channels Isolation Protection REES52 Industrial Modbus RTU 8-Channels Relay Module with RS485 Bus Modbus RTU Protocol Onboard Multi Isolation Protection Circuits(Power Isolation, ADI Magnetical Isolation,etc.) 5V Voltage **Brand:** rees52 **Price:** $U5125 **Availability:** ✅ In Stock ## Summary > 🔧 Power Up Your Control Game! ## Quick Answers - **What is this?** REES52 Industrial Modbus RTU 8-Channels Relay Module with RS485 Bus Modbus RTU Protocol Onboard Multi Isolation Protection Circuits(Power Isolation, ADI Magnetical Isolation,etc.) 5V Voltage by rees52 - **How much does it cost?** $U5125 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/products/505997015-rees52-industrial-modbus-rtu-8-channels-relay-module-with-rs485) ## Best For - rees52 enthusiasts ## Why This Product - Trusted rees52 brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Robust Isolation:** Onboard power and signal isolation ensures high reliability and low interference. - • **Surge Protection:** TVS technology safeguards against voltage spikes, keeping your system safe. - • **Seamless Integration:** Easily cascades multiple devices on RS485 bus for expansive control. - • **User-Friendly Design:** Rail-mounted ABS enclosure for effortless installation and maintenance. - • **High-Quality Performance:** Reliable relay with a contact rating of ≤10A, perfect for industrial applications. ## Overview The Industrial Modbus RTU 8-Channels Relay Module is designed for robust industrial control applications, featuring RS485 communication, multiple isolation protections, and a user-friendly installation process. With a high-quality relay and surge protection, it ensures reliable performance in demanding environments. ## Description Specifications Power supply voltage: 5V Communication interface: RS485 Baudrate: 4800, 9600, 19200, 38400, 57600, 115200, 128000, 256000 Default communication format: 9600, N, 8, 1 Relay channels: 8 Contact form: 1NO 1NC Communication protocol: Standard Modbus RTU protocol RS485 address: 1~255 RS485 terminal protection: 600W lightning-proof and surge-suppress, 15KV ESD protection (reserved 120R balancing resistor solder pads) LED indicators: STA: MCU indicator, keep flashing when the MCU normally working TXD: TX indicator, light up when sending data RXD: RX indicator, light up when receiving data 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 ADI 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, lightning-proof & anti-electrostatic Onboard Optocoupler isolation, prevent the relay from being interfered by high-voltage circuit 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 Package Content Modbus RTU Relay x1 Power adapter US plug 5V/2A 5.5/2.1 x1\ ## Features - Industrial Modbus RTU 8-ch Relay Module, RS485 Bus, Communication interface: RS485. Communication protocol: Standard Modbus RTU protocol - Configurable device address (1~255), multi devices can be cascaded on RS485 bus - Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal. Onboard unibody ADI 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, lightning-proof & anti-electrostatic. Onboard Optocoupler isolation, prevent the relay from being interfered by high-voltage circuit - 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 | B0BR4CSJ8X | | Box Contents | 1 x Industrial Modbus RTU 8-Channels Relay Module with RS485 Bus Modbus | | Brand Name | REES52 | | Colour | Multi | | Compatible Devices | Industrial Control Equipment, PC | | Connector Type | RS485 | | Country of Origin | China | | Current Rating | 10 Amps | | Item Dimensions | 50 x 40 x 30 Millimeters | | Manufacturer | Waveshare | | Manufacturer Part Number | REES-RS4765 | | Model Number | RS485 | | Number of Items | 1 | | Number of Ports | 8 | | Specific Uses For Product | Industrial Control Equipment, Industrial Applications | | Unit Count | 1.00 Count | | Warranty Description | Contact Manufacturer | ## Product Details - **Colour:** Multi - **Compatible Devices:** Industrial Control Equipment, PC - **Connector Type:** RS485 - **Item dimensions L x W x H:** 50 x 40 x 30 Millimeters - **Specific Uses For Product:** Industrial Control Equipment, Industrial Applications ## Images ![REES52 Industrial Modbus RTU 8-Channels Relay Module with RS485 Bus Modbus RTU Protocol Onboard Multi Isolation Protection Circuits(Power Isolation, ADI Magnetical Isolation,etc.) 5V Voltage - Image 1](https://m.media-amazon.com/images/I/51vmPalQR6L.jpg) ![REES52 Industrial Modbus RTU 8-Channels Relay Module with RS485 Bus Modbus RTU Protocol Onboard Multi Isolation Protection Circuits(Power Isolation, ADI Magnetical Isolation,etc.) 5V Voltage - Image 2](https://m.media-amazon.com/images/I/41zDIDtCfIL.jpg) ![REES52 Industrial Modbus RTU 8-Channels Relay Module with RS485 Bus Modbus RTU Protocol Onboard Multi Isolation Protection Circuits(Power Isolation, ADI Magnetical Isolation,etc.) 5V Voltage - Image 3](https://m.media-amazon.com/images/I/41ospUpjr8L.jpg) ![REES52 Industrial Modbus RTU 8-Channels Relay Module with RS485 Bus Modbus RTU Protocol Onboard Multi Isolation Protection Circuits(Power Isolation, ADI Magnetical Isolation,etc.) 5V Voltage - Image 4](https://m.media-amazon.com/images/I/51zYpYfpXFL.jpg) ![REES52 Industrial Modbus RTU 8-Channels Relay Module with RS485 Bus Modbus RTU Protocol Onboard Multi Isolation Protection Circuits(Power Isolation, ADI Magnetical Isolation,etc.) 5V Voltage - Image 5](https://m.media-amazon.com/images/I/51ykWlwInkL.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.uy/products/505997015-rees52-industrial-modbus-rtu-8-channels-relay-module-with-rs485](https://www.desertcart.uy/products/505997015-rees52-industrial-modbus-rtu-8-channels-relay-module-with-rs485) --- *Product available on Desertcart Uruguay* *Store origin: UY* *Last updated: 2026-10-05*