GAQQEE | ESP32-S3 1CH Relay Module Industrial DIN Rail 240MHz WiFi Bluetooth 5.0 Board Isolated RS485 10A High Load for Modbus Automation

OverviewThis is an industrial-grade 1-channel relay control module built with powerful ESP32-S3 dual-core MCU, supporting 2.4G WiFi and Bluetooth 5.0 dual wireless communication. Equipped with fully isolated RS485 interface, RTC timing function and multi-level isolation protection circuits, it features strong anti-interference ability and stable long-term operation. Adopts standard DIN rail housing for easy installation, perfectly suitable for IoT smart home transformation, industrial Modbus control, automatic timing switch and electronic DIY projects.Features✅ Powerful ESP32-S3 Dual-core ProcessorEquipped with Xtensa 32-bit LX7 dual-core MCU, main frequency up to 240MHz, faster running response, more program space for secondary development and complex logic control.✅ WiFi + BLE5.0 Dual Wireless CommunicationSupports 2.4GHz WiFi 802.11 b/g/n and Bluetooth 5.0 LE wireless connection, realizes remote wireless control, data transmission and device pairing for IoT intelligent scenarios.✅ Full Isolation & Industrial Anti-interference Design Built-in optocoupler isolation, digital signal isolation and integrated power isolation circuit. Effectively isolates high-voltage load interference, surge and static protection, greatly improving industrial scene stability and safety.✅ Isolated RS485 & Modbus Support Comes with isolated RS485 serial port, automatic transceiving control, reserved 120Ω matching resistance. Compatible with standard Modbus protocol, convenient for connecting various industrial sensors and automation equipment.✅ RTC Timing & Industrial DIN Rail ShellOnboard RTC clock chip supports precise timing tasks. Standard DIN rail mounting design makes installation firm and neat. With complete indicator lights to clearly display power, relay status and RS485 data transmission.SpecificationModel: ESP32-S3-Relay-1CH / ESP32-S3-Relay-1CH-UMCU: ESP32-S3R8 dual-core processor, up to 240MHzWireless: 2.4G WiFi (802.11 b/g/n) + Bluetooth 5.0 LERelay Load: Max 10A 250V AC / 10A 30V DCChannel: 1 Channel (Normally Open)Interface: USB Type-C (power & download), Isolated RS485, 5V terminal powerProtection: Optocoupler isolation, power isolation, signal isolation, TVS surge & ESD protectionFunction: RTC timing task, Modbus communication, wireless remote controlMounting: Standard DIN Rail industrial housingSize: 91.6 × 23.3 × 58.7 mmPackage ListOption 1:1 × ESP32-S3 1CH Relay Module1 × 150mm SH1.0 4PIN Cable1 × ScrewdriverOption 2:1 × ESP32-S3 1CH Relay Module1 × 150mm SH1.0 4PIN Cable1 × Screwdriver1 × 2.4G 4dB SMA Internal Needle Rod Antenna