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X-410™ | Edge Programmable Controller
$329.99 – $429.99Price range: $329.99 through $429.99VIEW PRODUCTView Product This product has options that may be chosen on the product pageThe 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 & Input Module
$199.99 – $299.99Price range: $199.99 through $299.99VIEW PRODUCTView Product This product has options that may be chosen on the product pageThe 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™ | 4 Web-Controlled Relays
$219.99 – $319.99Price range: $219.99 through $319.99VIEW PRODUCTView Product This product has options that may be chosen on the product pageThe 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™ | Dual Relay and Input Module
$299.99 – $389.99Price range: $299.99 through $389.99VIEW PRODUCTView Product This product has options that may be chosen on the product pageThe 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
$189.99 – $219.99Price range: $189.99 through $219.99VIEW PRODUCTView Product This product has multiple variants. The options may be chosen on the product pageThe 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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X-412™ | 4‐Channel Relay & Analog Input Module
$399.99 – $499.99Price range: $399.99 through $499.99VIEW PRODUCTView Product This product has options that may be chosen on the product pageThe X-412™ is an Ethernet-based I/O controller with four high-resolution analog inputs and four relays, engineered for precise monitoring in industrial and OEM applications. Its browser-based interface and embedded GUI logic builder enable event-driven automation, scheduling, and data acquisition—without external software or licensing fees.
Functions as a stand-alone monitoring device with support for open protocols (Modbus, MQTT, SNMP, REST), the X-412™ integrates seamlessly into SCADA and PLC systems, providing a reliable and scalable solution for process monitoring, equipment control, and facility automation.- 4 Relays
- 4 Analog Inputs
New Cellular Option: The X-412CW model includes a cellular modem, compatible with our cellular data plans.
WiFi is Now Available. The X-412CW model includes WiFi capability which allows for more flexibility and cost savings for your application.
Global Cellular Coverage. Discuss international cellular options with a sales engineer.[frequentlyBought ids="7624,7916,34491,7781"]
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X-400™ | Modular I/O Controller
$329.99 – $429.99Price range: $329.99 through $429.99VIEW PRODUCTView Product This product has options that may be chosen on the product pageThe X-400™ is a scalable Ethernet-based controller that supports up to 32 local expansion modules or remote ControlByWeb® devices through peer-to-peer communication, enabling systems with up to 64 I/O points. Its browser-based interface and embedded GUI logic builder provide event-driven automation for powerful turn-key solutions and seamless integration with SCADA and PLC platforms—without licensing fees.
X-400C™ – Cellular-Enabled Model The X-400C™ adds a built-in cellular modem, extending the same modular control and integration capabilities to remote or distributed applications.- Expandable, Up to 64 I/O
- Relays, Analog & Digital Inputs
- Up to 16 temp sensors
- Cellular version available
Global Cellular Coverage. Discuss international cellular options with a sales engineer. [frequentlyBought ids="7635,34491,7624,7577"]
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X-600M™ | Web-Enabled I/O Controller
$589.99VIEW PRODUCTView Product This product has multiple variants. The options may be chosen on the product pageThe X-600M™ is ControlByWeb’s most advanced controller, built for large-scale industrial and OEM applications. Supporting up to 64 expansion modules and 1,024 I/O points, it’s engineered for high-density, complex systems.
With an embedded logic builder, LUA scripting for advanced control, and support for multiple customizable dashboards, the X-600M™ gives engineers powerful tools for automation and visualization. Open protocol support (Modbus, SNMP, peer-to-peer) ensures seamless integration with SCADA and PLC systems, delivered without licensing fees or proprietary lock-in.- Expandable, Up to 1,024 I/O
- Relays, Analog/Digital/Thermocouple Inputs
- Up to 32 Temperature Sensors
- GUI Dashboard
[frequentlyBought ids="7635,7621,7318,7289"]
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WebSwitch Plus™ | Remote Power Switch
$329.99 – $349.99Price range: $329.99 through $349.99VIEW PRODUCTView Product This product has multiple variants. The options may be chosen on the product pageThe WebSwitch Plus™ provides IP-based control of two independent AC outlets, designed for managing critical devices in industrial, commercial, and OEM environments. With worldwide compatibility (100–240V AC, 50/60Hz) and a secure browser-based interface, it offers reliable remote power cycling, reboot, and monitoring—without licensing fees or proprietary software.
Engineered for seamless integration into automation networks, the WebSwitch Plus™ helps system integrators and engineers reduce downtime, simplify maintenance, and extend control to edge devices.- 2 Relay-Controlled Power Outlets (10A)
- 2 Digital Inputs
- Up to 16 Temperature Sensors
[frequentlyBought ids="7795,7587,7558,34491"]

