Best Sellers

  • Single X-410 with Cell, WiFi, and POE icons

    X-410™ | Edge Programmable Controller

    Price range: $299.99 through $399.99
    The X-410™ is a versatile industrial I/O controller with four relays, four digital inputs, and one temperature input, designed for reliable edge control. Its built-in web server allows for efficient deployment and its embedded GUI logic builder enable event-driven or scheduled automation without external software or licensing fees.
    Through peer-to-peer communication, the X-410™ can seamlessly expand with other ControlByWeb® devices, making it an efficient choice for system integrators and OEMs who need scalable, protocol-ready control in demanding environments.
    • 4 Relays & 4 Digital Inputs
    • Up to 16 Temperature Sensors
    • Ethernet, Cellular, or WiFi
    • 9-28VDC and/or POE
    Cellular and WiFi are Now Available. Note that X-410CW and X-410W models include cellular and WiFi capability respectively, which allows for more flexibility for your application.
    Global Cellular Coverage. Discuss international cellular options with a sales engineer.

    [frequentlyBought ids="7624,34491,7540,7798"]

     
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  • WebRelay single relay and input module with Ethernet, cellular, or WiFi connectivity

    WebRelay™ | Single Relay & Input Module

    Price range: $189.99 through $289.99
    The latest WebRelay™ is engineered for industrial reliability and flexible deployment. With updated firmware and optional Wi-Fi or cellular connectivity, it delivers robust remote relay control at the edge of your system.

    A streamlined browser-based interface and open REST API provide seamless integration with PLCs, SCADA platforms, and IIoT applications—without licensing fees or vendor lock-in. Whether deployed as a stand-alone controller or part of a larger automation network, WebRelay™ offers dependable performance in commercial, industrial, and OEM environments. Note: This is the updated WebRelay. See the original WebRelay here.
    • 1 Relay & 1 Digital Input
    • Ethernet, Cellular, or WiFi
    • 9-28VDC and/or POE
    Cellular and WiFi are Now Available. Note that X-WR-441CW and X-WR-441W models include cellular and WiFi capability respectively, which allows for more flexibility for your application.

    Global Cellular Coverage. Discuss international cellular options with a sales engineer.

    [frequentlyBought ids="7624,7621,7798,34091"]

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  • WebRelay-Quad device with 4 web-controlled relays for remote control with Celluar, Ethernet and, WiFi connectivity

    WebRelay-Quad™ | 4 Web-Controlled Relays

    Price range: $209.99 through $309.99
    The WebRelay-Quad streamlines relay control with powerful yet accessible options, including a conditional and scheduled logic builder with intuitive drop-down menus, seamless open API integration via your own software, or communication using industrial protocols like MQTT and Modbus TCP/IP. Note: This is the new WebRelay-Quad. See the original WebRelay-Quad here.
    • 4 Relays
    • Ethernet, Cellular, or WiFi
    • 9-28VDC and/or POE
    Cellular and WiFi are Now Available. Note that X-WR-444CW and X-WR-444W models include cellular and WiFi capability respectively, which allows for more flexibility for your application.

    Global Cellular Coverage. Discuss international cellular options with a sales engineer.

    [frequentlyBought ids="7624,7621,7793"]

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  • X-401 with Cell, WiFi, and POE icons

    X-401™ | Dual Relay and Input Module

    Price range: $269.99 through $369.99
    The X-401™ combines two SPDT (Form C) relays with two optically isolated inputs in a compact, industrial-grade module. As part of the 400 Series, it features a browser-based interface, embedded GUI logic builder, and open protocols (Modbus, MQTT, SNMP, REST) for seamless integration with SCADA, PLC, and IIoT systems.
    Ideal for applications such as process monitoring, equipment reboot, and alarm control, the X-401™ provides a reliable edge-control solution that eliminates licensing fees and reduces integration complexity.
    • 2 Relays & 2 Digital Inputs
    • Ethernet, Cellular, or WiFi
    • 9-28VDC and/or POE
    Cellular and WiFi are Now Available. Note that X-401CW and X-401W models include cellular and WiFi capability respectively, which allows for more flexibility for your application.
    Global Cellular Coverage. Discuss international cellular options with a sales engineer.

    [frequentlyBought ids="7624,7621,7798,34091"]

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  • Original WebRelay Single Relay & Input Module with one electromechanical relay, one optically isolated input, and built-in web server for remote control

    Original WebRelay™ | Single Relay & Input Module

    Price range: $169.99 through $199.99
    The original WebRelay™ offers exactly what its name suggests, a web-controlled relay with a simple browser-based GUI. It is an electromechanical relay featuring a built-in web server and optically isolated input that can be used to monitor dry contacts or control industrial and commercial equipment.

    1 Relay

    1 Digital Input

    Note: This is the original WebRelay. See the new WebRelay with the latest 400 series firmware.

    [frequentlyBought ids="7624,7621,7798,34091"]

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  • Original WebRelay-Quad 4 Relay Module for remote control of electromechanical relays

    Original WebRelay-Quad™ | 4 Relay Module

    Price range: $189.99 through $219.99
    Remotely control 4 electromechanical relays with the WebRelay-Quad™. The simple user interface and no-code logic builder makes this programmable logic controller the easiest relay control method you can find.

    4 Relays

    Note: This is the original WebRelay. See the new WebRelay-Quad with the latest 400 series firmware.

    [frequentlyBought ids="7624,7621,7793"]

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