5V Modbus RTU, 1Channel Relay Module, Input Optocoupler, Isolation RS485 MCU for, Arduino


Out of stock

Approx Restocking Date: 25 to 30 Days
SKU: 1121260
  1.   Product Name:1 Bit Modbus RTU Relay Module
  2.   Working Voltage: DC 5V
  3.   Working Current:1A
  4.   Work Temperature:-25℃~85℃
  5.   Work Humidity:5%~95%RH


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Brand: Generic
Category: Relay Modules
Tags: Relay Module on SALE

LC 1 channel Modbus relay module equipped with mature and stable 8-bit MCU and RS485 level communication chip, adopt standard MODBUS RTU format RS485 communication protocol, It can realize 1-way input signal detection and 1-way relay output, can be used for digital detection or power control occasions.

  1. Supports all MCU control.
  2. The industrial field.
  3. PLC control.
  4. Smart home control.


  1. .Modbus serial communication
  2. Relay switching output
  3. Convenient AT command control

Package Includes:

1 x 5V Modbus RTU 1Channel Relay Module Input Optocoupler Isolation RS485 MCU for Arduino

SKU: 1121260 Category: Tag:
Product Name

1 Bit Modbus RTU Relay Module

Working Voltage


Working Current


Operating Temperature (°C)

-25 to 85

Working Humidity Range


Shipping Weight 0.03 kg
Shipping Dimensions 13 × 9 × 1 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects. Replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China