ModuleMe Electronic
ESP32-S3 WiFi BLE Relay Isolation Protection 1CH 10A DIN Rail RS485 Modbus
Product Features:
1. Equipped with an ESP32-S3 dual-core microcontroller, delivering powerful performance at a 240 MHz clock speed
2. Dual-mode wireless communication: 2.4 GHz Wi-Fi + Bluetooth 5.0 for connectivity in multiple scenarios
3. Multi-layer isolation protection design ensures strong interference resistance and more stable, secure industrial operation
4. Integrated isolated RS485 interface supports expansion and integration with Modbus industrial devices
5. DIN-rail industrial enclosure with an RTC clock, supporting the development of scheduled tasks
Product Specifications
Based on the ESP32-S3 microcontroller, which features an Xtensa 32-bit LX7 dual-core processor with a clock speed of up to 240 MHz
Integrated 2.4 GHz Wi-Fi and Bluetooth 5 (LE) dual-mode wireless communication with excellent RF performance
Equipped with high-quality relays, allowing connection to loads of up to 10A at 250V AC or 10A at 30V DC
On-board isolated RS485 interface, facilitating the connection of various RS485 Modbus industrial expansion modules or sensors
On-board RTC clock chip, supporting scheduled tasks
On-board USB Type-C port, usable for power supply and programming/debugging, making development convenient
On-board power supply terminal block, supports 5V power supply only
On-board optocoupler isolation prevents high-voltage circuits connected to the relay from interfering with the control chip
On-board digital isolation prevents external signals from interfering with the control chip
On-board integrated power isolation provides a stable isolated voltage; the isolated terminal requires no additional power supply
On-board RS485 transmit/receive indicator lights make it easy to monitor the device’s operating status
DIN-rail protective enclosure for easy installation and use; the enclosure provides added safety
Product Specifications
Model: ESP32-S3-Relay-1CH ESP32-S3-Relay-1CH-U
Antenna Interface: On-board surface-mount ceramic antenna; external antenna
Microcontroller: ESP32-S3 (default ESP32-S3R8 chip, customizable)
Wireless Communication: 2.4GHz Wi-Fi (802.11 b/g/n), Bluetooth 5 (LE)
USB Interface
Interface Type: USB Type-C
Supply Voltage: 5V
Functions: Device power supply, USB communication, firmware download, etc.
Isolated RS485
Interface Type: Terminal blocks
Direction Control: Automatic control via master hardware flow settings
Interface Protection: Provides TVS diode protection, surge protection, and ESD protection
Matching Resistor: Default NC; 120Ω matching resistor reserved; can be enabled via a jumper cap
Relay: Supports loads up to 10A at 250V AC or 10A at 30V DC
Number of Relay Channels: 1 channel
Contact Type: One normally open (NO)
Isolation Type: Optocoupler isolation
Indicator Lights
PWR: Power indicator; lights up red when connected to USB and voltage is detected
Relay: Relay indicator; lights up when the normally open contact is closed
RS485 Indicator:
Lights up green when data is transmitted from the RS485 interface
Lights up blue when data is received from the RS485 interface
Terminal Power Supply Range: 5V
Housing: DIN-rail mounting enclosure
Dimensions: 91.6 × 23.3 × 58.7 (mm)
Product List:
1x Relay
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2. If product is defective or damage upon arrival, or wrong product shipped, please contact us immediately. Returns accepted within 30 days of delivery date and item must be in original new condition.
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If the item is defect when you receive it or you are not satisfied with it, please return it within 30 days for a replacement or money back. But the items must be back in factory condition. Please contact us and double check the return address before you return it.