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- SKU: 08576
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Modbus RTU 12V 4-Channel Relay Module – RS485 Industrial Relay Control Board
The Modbus RTU 12V 4-Channel Relay Module is a reliable industrial relay control board designed for remote switching and automation applications over an RS485 communication interface. It supports the Modbus RTU protocol, allowing easy integration with PLCs, microcontrollers, industrial controllers, and other Modbus-compatible systems.
Featuring four independent relay channels, the module enables convenient control of multiple AC or DC loads from a single communication interface. The 12V DC power supply provides stable operation, while the RS485 interface offers reliable long-distance communication with good resistance to electrical interference.
Features
- 4 independent relay channels for multi-load control
- 12V DC operating power supply
- RS485 communication interface
- Supports Modbus RTU protocol
- Suitable for PLC and industrial automation systems
- Reliable communication over longer cable distances
- Supports remote control of AC/DC electrical loads
- Ideal for industrial, IoT, and automation applications
Specifications
- Product Type: 4-Channel Modbus RTU Relay Module
- Relay Channels: 4
- Operating Voltage: 12V DC
- Communication Interface: RS485
- Communication Protocol: Modbus RTU
- Relay Control: Independent 4-channel control
- Application: Industrial automation, PLC control, IoT, lighting and equipment control
- Mounting: Suitable for panel, cabinet, or embedded installations
- Communication: Reliable long-distance serial communication
- Use: Remote switching and electrical load control
Package Includes
- 1x Modbus RTU 12V 4-Channel Relay Module – RS485 Industrial Relay Control Board
Warranty Terms :
Branded products (Waveshare/ Raspberry Pi/ Radxa/ DWIN etc) are as per brand warranty terms. Generic products are eligible for replacement within 7 days of delivery based on following conditions.
Products are eligible for a replacement if there is physical damage during transit or a clear manufacturing defect. Any claim for damage/ wrong items/ replacement must be made within 48 hours of successful delivery of the product. Requests for refund of amount or exchange of product(s) will be reviewed on a case by case basis and HUBTRONICS carries final rights to take a final decision on refund, store credit or exchange.
What to take care of ?
Most of our products are technical in nature and require trained personnel to handle them. Any kind of mishandling can result in damage or malfunctioning of the product, it is not possible for us to provide a replacement or refund if the product is damaged due to technical or physical mishandling.
Who pays the return shipping cost?
Free of cost return pickup from delivery address is eligible for products categorized as manufacturing defect/ Damage in transit/ Wrong items delivered. We do not support return pickup for any B2B order or offline orders not placed on website. Buyer need to arrange return shipping for B2B orders.
What voids warranty?
Please note that replacement/ return or refund is not possible if the product is not compatible with your system/application. Please check all the technical details/ dimensions etc. before ordering and contact us for any kind of clarifications.
If product is soldered/ programmed at any point or physically altered in any way, it is not eligible for return/ replacement. If the item requires soldering for testing, please ensure that you use suitable clips or jig to test it without soldering. Any kind of soldering job makes the product ineligible for return or replacement.
Following items are not eligible for return under any circumstances
- Device Programmers / Dongles
- Soldering Consumables (Wire, Flux etc)
