WiFi DIN Rail Smart Relay 100A with Energy Monitoring | CB432

Main Feature:

Single-phase WiFi DIN rail smart relay with a built-in 100A relay for real-time energy monitoring and remote load control via the Tuya Smart platform. Ideal for smart electrical panels, OEM projects, and energy management systems.


  • Model: CB432
  • Dimension: 82*36*66mm
  • Weight: 186g
  • Certification: CE,RoHS




  • Product Detail

    Video

    Main Spec

    Product Tags

    ▶ Main Features:

    • Tuya compliant for smart energy monitoring, scene control, and automation
    • Compatible with single-phase electrical systems
    • Wireless communication via Wi-Fi 2.4GHz
    • Built-in Max.100A relay for high-load on/off control
    • Control connected devices remotely via mobile App
    • Schedule devices to automatically turn on/off
    • Measures real-time voltage, current, frequency, power factor, and active power
    • Historical energy data can be displayed and exported in the App
    • Supports overload protection and relay setting
    • Relay status reports immediately when changed
    • Energy data reporting cycle: every 15 seconds
    • Power status can be retained after power failure
    • Supports Alexa and Google Assistant voice control for on/off control
    • Optional MQTT/API integration available for IoT platforms, EMS, and BMS projects

    wifi smart power meter tuya din rail relay with energy monitor
    wifi smart power meter din rail relay with energy monitor

    ▶ CB432 WIFI DIN Relay Wiring Diagram

    ▶ Applications:

    • Smart electrical panel energy monitoring
    • Smart home automation and appliance control
    • Commercial lighting and HVAC load control
    • Pumps, water heaters, and other high-load equipment control
    • OEM smart energy and load management solutions

    ▶FAQ

    1. What is the difference between the CB432 and a standard DIN rail relay?
    A standard DIN rail relay only switches electrical loads. The CB432 combines remote relay control, real-time energy monitoring, scheduling, and Tuya-based automation in a single device, reducing the need for separate relays and energy meters.
    2. What types of electrical loads can the CB432 control?
    The built-in 100A relay is designed to control high-load electrical equipment such as lighting circuits, HVAC systems, water heaters, pumps, compressors, EV chargers, and other single-phase loads within the specified ratings.
    3. Can the CB432 be installed in existing electrical panels?
    Yes. The CB432 features a standard 35 mm DIN rail design, making it suitable for both retrofit projects and new electrical installations with minimal modification.
    4. Can multiple CB432 relays be used in one project?
    Yes. Multiple CB432 relays can be installed to independently monitor and control different electrical circuits, providing a scalable solution for commercial buildings and smart energy management projects.
    5. Does the CB432 require a separate gateway?
    No. The CB432 connects directly to the Tuya platform via WiFi and does not require an additional gateway, simplifying installation and reducing deployment costs.

     

    how monitor energy via APP

    Connectivity
    Wi-Fi
    • 802.11 b/g/n @2.4GHz
    BLE
    • For Pairing
    RF
    Characteristics
    • Operating frequency: 2.4GHz
    • Internal antenna
    Physical Specifications
    Operating
    Voltage
    • 90~277 Vac 50/60Hz
    Supported
    Systems
    • Single-Phase
    Power
    Consumption
    • <2W
    Voltmeters
    Accuracy
    • ±1%
    Ammeters
    Accuracy
    • 100A: ±1%(1-100A),±2%(0-1A)
    Relay Type
    • Max.100A relay
    Reporting Cycle
    • Energy data: every 15 seconds
    • Relay status: immediately
    Operating
    Environment
    • Temperature: -20 ℃~+55 ℃
    • Humidity: ≤ 90% non-condensing
    Mount Type
    • 35mm DIN rail mounting
    Dimension
    • 36 (W) x 66(D) x82(H) mm
    Weight
    • 186 g
    Certification
    • CE

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