WiFi Relay

WiFi Relay at a Glance...

  • 4 Relay Installed on a Circuit Board
      - Non-Expandable ProXR Lite Design
  • Next-Generation WiFi Connectivity
      - 2.4GHz WiFi (IEEE 802.11 b/g/n)
      - TCP, HTTP, Bluetooth, USB, UDP, MQTT
      - Security: WPA/WPA2/WPA2-Enterprise, WPS
      - DHCP or Static IP Support
      - Soft AP Web Interface for Configuration
  • Built-In Web Control
      - Simple On/Off Relay Control
      - Works with Any Web Browser
  • Industry-Leading ProXR Command Set
      - Program in Nearly Any Language
      - Send Precise Relay Commands
      - Toggle, Flash, and Timing Control
  • ProXR AD8 Command Set (Input Support)
      - Read 0-5V Sensors
      - Monitor External Sensors or Contact Closure
      - Use Inputs to Trigger Relays

Selecting the Proper Amperage

For more information on selecting a board with the correct relay amperage for your application see Choosing a Proper Amperage.

Our 4-channel WiFi relay boards provide flexible, browser-based control for managing multiple devices over a wireless network.

NextGen WiFi Relay Interface

The NextGen WiFi is NCD's second-generation wireless module that combines WiFi, Bluetooth, USB, and MQTT into one powerful interface.
Its streamlined firmware delivers the most-needed features while remaining flexible enough for nearly any application.

With the built-in Soft AP web interface, you can quickly configure features using a browser - no special software required.

NextGen Web Relay Control

The NextGen WiFi module includes a built-in web interface for controlling relays directly from your browser. During setup, simply select the web page that matches your relay count and start controlling your relays instantly.

No coding required. No extra software needed.

4-Channel WiFi Relay Series (ProXR Lite)

WiFi Relay4-Channel WiFi Relay Boards are available in the non-expandable ProXR Lite version. While ProXR Lite boards cannot be expanded, they still support the full ProXR Command Set - the industry's most powerful relay control protocol.

Program in nearly any language.
Send precise relay commands.
Control with confidence.

Select Your Relay Type & Amperage

Choose the 4-channel WiFi relay controller that matches your load requirements:
  • SPDT Relays: 5A, 10A, or 20A
  • SPST Relays: 30A
Need help selecting the right relay amperage?
Use our Choosing a Proper Amperage to make the right call for your application.

💡 Relay Pros Pro Tip:

If you're controlling high-current loads like motors or heaters, always choose a relay with extra amperage headroom. Running a relay at its maximum rating can shorten its lifespan.