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Webrelay-Quad provides remote relay control to electrical devices
5 Year Warranty

Remote relay control is made easy with WebRelay-Quad. The WebRelay-Quad comes with 4 controllable relays.


For many applications, WebRelay-Quad™ is the fastest, easiest, least expensive, and most reliable way to remotely control equipment over an IP network (including the Internet)!

WebRelay-Quad™ is used by many different companies for hundreds of applications including industrial control, security, remote control, remote reset, and many other applications that require remote relay control. It has four low-signal relays that can individually switch up to 3 Amp at 28V. Each relay can be turned on, off, or pulsed remotely using the built-in web pages or by running custom scripts from a computer or dedicated controller. It is extremely versatile and can be made to fit almost any remote relay control application.

The WebRelay-Quad is fully configured in minutes using a web browser. No additional software is needed.


WebRelay-Quad™ provides reliable remote relay control over any IP network. WebRelay-Quad, can provide remote relay control in a variety of applications including pump and motor control, and lighting control.

WebRelay-Quad's powerful and flexible design make imagination its only limit.

  • Control devices such as:
    • Pumps
    • Valves
    • Motors
    • Coils
  • Turn lights on/off while using IP video cameras.
  • Remotely control security gates
  • Control electronic door locks and garage door openers.


  • Built-in web server for setup and remote relay control from a web-browser
  • No special software or device drivers required
  • XML status and control page makes communications with custom software interfaces simple
  • Can operate as a Modbus/TCP slave device
  • Four independent, 28VAC, 24VDC, 3A relays SPDT (Form C)
  • ON/OFF or Pulse relay modes
  • Rugged, compact enclosure can be DIN-Rail or Wall mounted
  • Includes a 2-piece (14-pin) industrial terminal connector that makes connections convenient
  • Power supply options:
    • 9-28VDC
    • POE class 0 (0.44–12.94 Watts)
CE listed RoHS compliant Made in the USA

WebRelay-Quad Part Numbers (Differences highlighted in green)

X-WR-4R3-I Relays: 4 (3A 28VAC, 24VDC) N/A 9-28VDC
X-WR-4R3-E Relays: 4 (3A 28VAC, 24VDC) N/A POE class 0 (0.44–12.94 Watts) (Updated)

More Information:


Where to Buy

Click "Buy Online" to view part numbers and pricing. WebRelay-Quad is available inthe USA and internationally, and can be purchased either from us or an Authorized Distributor.

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Warning: May contain chemicals, including Nickel (metallic), known to the State of California to cause cancer and reproductive harm. -



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