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4X Modbus Rtu 4 Ch Relay Module Input 485 Ttl Uart Communication 4-Channel Input 7-24V Relay Module
4X Modbus Rtu 4 Ch Relay Module Input 485 Ttl Uart Communication 4-Channel Input 7-24V Relay Module
4X Modbus Rtu 4 Ch Relay Module Input 485 Ttl Uart Communication 4-Channel Input 7-24V Relay Module
4X Modbus Rtu 4 Ch Relay Module Input 485 Ttl Uart Communication 4-Channel Input 7-24V Relay Module
4X Modbus Rtu 4 Ch Relay Module Input 485 Ttl Uart Communication 4-Channel Input 7-24V Relay Module
4X Modbus Rtu 4 Ch Relay Module Input 485 Ttl Uart Communication 4-Channel Input 7-24V Relay Module
4X Modbus Rtu 4 Ch Relay Module Input 485 Ttl Uart Communication 4-Channel Input 7-24V Relay Module
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4X Modbus Rtu 4 Ch Relay Module Input 485 Ttl Uart Communication 4-Channel Input 7-24V Relay Module
4X Modbus Rtu 4 Ch Relay Module Input 485 Ttl Uart Communication 4-Channel Input 7-24V Relay Module
4X Modbus Rtu 4 Ch Relay Module Input 485 Ttl Uart Communication 4-Channel Input 7-24V Relay Module
4X Modbus Rtu 4 Ch Relay Module Input 485 Ttl Uart Communication 4-Channel Input 7-24V Relay Module
4X Modbus Rtu 4 Ch Relay Module Input 485 Ttl Uart Communication 4-Channel Input 7-24V Relay Module
4X Modbus Rtu 4 Ch Relay Module Input 485 Ttl Uart Communication 4-Channel Input 7-24V Relay Module
4X Modbus Rtu 4 Ch Relay Module Input 485 Ttl Uart Communication 4-Channel Input 7-24V Relay Module
Equipped with a stable 8-bit MCU and supports Modbus RTU protocol for seamless communication.
4X Modbus Rtu 4 Ch Relay Module Input 485 Ttl Uart Communication 4-Channel Input 7-24V Relay Module
Item #: 215322429

4X Modbus Rtu 4 Ch Relay Module Input 485 Ttl Uart Communication 4-Channel Input 7-24V Relay Module

Item #: 215322429

AED 149

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*All items will import from US

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    Equipped with a stable 8-bit MCU and supports Modbus RTU protocol for seamless communication.
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    Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

    What Stands Out

    Multi-Channel Control
    With four independent relay channels, this module allows simultaneous control of multiple devices, enhancing automation capabilities and flexibility in industrial applications.
    Versatile Communication
    Supports Modbus RTU and TTL UART protocols, ensuring compatibility with a wide range of systems and devices, making integration straightforward and efficient.
    Wide Voltage Range
    Operates effectively between 7-24V, offering versatility in power supply options and making it suitable for various environments and system requirements.

    Product Details

    Shop 4X Modbus Rtu 4 Ch Relay Module Input 485 Ttl Uart Communication 4-Channel Input 7-24V Relay Module online at a best price in UAE. B0DWM8NY4X
    • 3.Output indicator in multi mode;4.Address can be set
    • Features:1.Support Modbus RTU protocol;2.Support RS485/TTL UART interface
    • 5.Support input reverse connection protection
    • Description:LC 4 channel Modbus relay module equipped with and stable 8-bit MCU and RS485 level communication chip,adopt standard MODBUS RTU format RS485 communication protocol. It can realize 4bit input signal detection and 4bit relay output. It can be used for digital detection or power control occasions.
    • 6.Relay switch output;7.Support parameter memory function
    Brand NameBloepum
    Unit Count12.35 Ounce
    Item Weight350 g
    ManufacturerBloepum
    Part Number750188634
    BrandBloepum
    Number of Items4

    Who Should Buy?

    Suitable For
    • Home Automation

      Ideal for users looking to automate home devices and integrate them into a smart home system seamlessly.

    • Industrial Control

      Suitable for industrial environments needing reliable remote control and monitoring of machinery or equipment.

    • Education and Prototyping

      Perfect for students and hobbyists wanting to learn about relay systems and Modbus communication in projects.

    Not Suitable For
    • Casual Users

      Not suitable for individuals who require simple switches without the need for Modbus communication complexities.

    Product Description

    Have any Query? Chat with us

    Customer Questions & Answers

    • Question: What is a 4X Modbus RTU 4 Ch Relay Module?

      Answer: The 4X Modbus RTU 4 Ch Relay Module is a robust device designed to control electrical equipment remotely via Modbus RTU protocol. This module is suitable for various industrial applications where remote monitoring and control are essential. Its 4-channel capability allows you to activate multiple devices simultaneously, making it ideal for automation tasks, building projects, and smart home solutions.
    • Question: How does Modbus RTU communication work with this relay module?

      Answer: Modbus RTU communication operates over serial connections, enabling the relay module to communicate with a master device through RS-485 or TTL UART interfaces. This configuration allows for efficient data transfer and control signals. It is perfect for applications requiring reliable communication such as industrial automation and remote monitoring systems, ensuring that commands are transmitted and executed accurately.
    • Question: What power supply do I need for the 4X Modbus RTU relay module?

      Answer: The 4X Modbus RTU relay module operates within a voltage range of 7-24V DC. Users can power the module using a compatible power supply that falls within this range. This versatility caters to a wide range of applications, from hobby electronics to industrial settings, making it adaptable for various power configurations.
    • Question: Can this relay module be used for home automation projects?

      Answer: Yes, the 4X Modbus RTU relay module is highly suitable for home automation projects. It allows users to control appliances, lights, and security systems remotely via Modbus commands. This capability can enhance convenience and energy management within the home, enabling scenarios such as scheduled lighting or automated heating control.
    • Question: Is the relay module compatible with all types of devices?

      Answer: While the 4X Modbus RTU relay module is compatible with various devices, it is essential to ensure that the devices fall within the operational voltage and current specifications of the module. It can effectively control anything from small appliances to larger industrial machines, making it ideal for diverse applications in different environments.
    • Question: What types of input does the relay module accept?

      Answer: This relay module supports multiple input types, mainly focusing on digital signals from the Modbus RTU protocol. Users can utilize it with sensors, switches, or any device that emits digital signals compatible with RS-485 or TTL UART communication, enriching functionality in control systems and monitoring applications.
    • Question: How can I integrate this module into an existing system?

      Answer: Integrating the 4X Modbus RTU relay module into an existing system involves connecting it to your existing Modbus network. By configuring your master device to communicate with the relay module using the appropriate addresses and commands, you can effectively control your relay outputs from your central system, enhancing automation capabilities.
    • Question: What is the maximum number of devices I can connect using Modbus RTU?

      Answer: With Modbus RTU, up to 247 devices can be connected on a single network. This scalability makes the 4X Modbus RTU relay module an excellent choice for larger installations where multiple devices need to be controlled or monitored. Designers can create extensive automation setups without compromising efficiency.
    • Question: Can I use this relay module for industrial applications?

      Answer: Absolutely! The 4X Modbus RTU relay module is engineered for industrial applications, offering robust performance and reliability. It's ideal for controlling motors, pumps, and other machinery in manufacturing processes, streamlining control and monitoring tasks, and improving operational efficiencies.
    • Question: Where can I buy the 4X Modbus RTU 4 Ch Relay Module?

      Answer: You can purchase the 4X Modbus RTU 4 Ch Relay Module from Ubuy. Ubuy provides a wide selection of electronic components, ensuring that you can find high-quality modules suited for your project requirements in UAE.

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    “Excellent experience”

    11 June 2026 · via Trustpilot
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    “I had an excellent experience with Ubuy UAE. I ordered a product from the USA, and the website clearly mentioned that deliveries might be delayed due to the current situation in the Middle East. Despite that, my order arrived in just one week, which exceeded my expectations. The shipment was handled by DHL, and the entire delivery process was smooth, fast, and hassle-free. The package arrived in perfect condition with no issues at all. What impressed me the most was the pricing. The product was significantly cheaper than ordering the same item directly through Amazon USA and shipping it to the UAE, where I would have had to pay higher delivery charges and additional customs fees. Ubuy provided great value, transparent communication, and reliable delivery. Based on my experience, I would definitely use them again and highly recommend them to anyone in the UAE looking to purchase products from overseas. Thank you, Ubuy UAE, for a fantastic shopping experience!”

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    “On time delivery and great product at a really great price!”

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    AED 149

    Order now and get it around Friday, September 11

    QTY:

    Secured transactionsecured transaction

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    Our Top Logistics Partners
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    Fastest cross-border delivery

    Features & Benefits

    • 4-channel relay module designed for power control and digital detection.
    • Supports Modbus RTU protocol and RS485/TTL UART interface.
    • Operating voltage ranges from DC 7V to 24V, making it versatile.
    • Features delay control modes and adjustable delay times for flexible operation.
    • Can handle AC 250V 10A or DC 28V 10A loads effectively.
    • Compact design with durable PCB material for reliability.

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