PRODUCT CATEGORYConnected project component

ESP 32 RELAY CONTROLLER BOARD

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Product information

Details & specifications

• 3-phase, 4-wire measurement (R, Y, B, N) with 3 external split-core CTs
• Dedicated energy metering IC for accurate voltage, current, power and energy readings
• High-speed optocouplers isolate the metering section from the control electronics
• Wi-Fi module onboard for direct cloud and dashboard connection
• LoRa radio for long-range, low-power wireless links to a gateway
• RS-485 port for Modbus connection to PLC, HMI or SCADA
• 7 onboard relays for load switching, alarms and trip output
• STM32F103 32-bit ARM controller on the display board
• Backlit LCD with 4-key navigation on the front panel
• QR code on the front panel for quick app or dashboard onboarding
• Isolated transformer power supply with onboard buck regulation
• Pluggable screw terminals with printed labels for safe field wiring