---
product_id: 136026232
title: "USB 16 Relay Board - ModBus RTU, Timers, PCB, 12VDC"
brand: "denkovi assembly electronics ltd"
price: "€ 143.96"
currency: EUR
in_stock: true
category: "Industrial"
url: https://www.desertcart.pt/products/136026232-usb-16-relay-board-modbus-rtu-timers-pcb-12vdc
store_origin: PT
region: Portugal
---

# USB 16 Relay Board - ModBus RTU, Timers, PCB, 12VDC

**Brand:** denkovi assembly electronics ltd
**Price:** € 143.96
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** USB 16 Relay Board - ModBus RTU, Timers, PCB, 12VDC by denkovi assembly electronics ltd
- **How much does it cost?** € 143.96 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/136026232-usb-16-relay-board-modbus-rtu-timers-pcb-12vdc)

## Best For

- denkovi assembly electronics ltd enthusiasts

## Why This Product

- Trusted denkovi assembly electronics ltd brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Description: This is USB Relay Module with ModBus RTU protocol support and 16 relays. The relays are controlled via PC USB port and it is shown as virtual serial port (virtual com port). It is possible to control directly 220V / 120V devices with your PC usb port up to 15A max. The module supports up to 16 independent timers with min. resolution 100ms. There are lot of professional ModBus software apps for this usb relay board allowing to be easily integrated in any ModBus automation project. Software examples are available as well. This is the PCB version. Specifications: *Communication protocol: ModBus RTU; *16 x SPDT relays *16 independent timers with resolution 100ms; *Option for loading relays states on boot: last saved, predefined or zeros; *Extra PCB openings for better voltage isolation *USB connector: type B *Converter chipset: FT232RL *FT232RL optical isolation against communication noises *Communication: serial USB communication (Virtual Com Port) *Extra PCB openings for better voltage isolation *Doubled high current tracks *Led-s: Relay Led, Power ON Led, USB ON Led, Rx Led, Tx Led *Operating temperature range: from 0 ºC to +80 ºC Documentation:http://denkovi.com/Documents/USB-16-Relay-ModBus-RTU/current-version/UserManual_USB16_ModBus.pdf Application examples: *Home Automation *Industrial Automation *HVAC (Heating, ventilation and air conditioning) *BAS (Building Automation Systems)

## Features

- 16 x SPDT Relays 10A / 250VAC, 15A / 120VAC, 10A / 28VDC;
- Communication protocol: ModBus RTU;
- Converter chipset: FT232RL
- The relay module is shown like Virtual Com Port
- Power supply requirements: 12V DC / 600mA

## Images

![USB 16 Relay Board - ModBus RTU, Timers, PCB, 12VDC - Image 1](https://images-na.ssl-images-amazon.com/images/I/61F-Bu3ad4L.jpg)
![USB 16 Relay Board - ModBus RTU, Timers, PCB, 12VDC - Image 2](https://images-na.ssl-images-amazon.com/images/I/61CY1GqPNAL.jpg)
![USB 16 Relay Board - ModBus RTU, Timers, PCB, 12VDC - Image 3](https://images-na.ssl-images-amazon.com/images/I/61KEp8QYfyL.jpg)
![USB 16 Relay Board - ModBus RTU, Timers, PCB, 12VDC - Image 4](https://images-na.ssl-images-amazon.com/images/I/61pasUpXBqL.jpg)
![USB 16 Relay Board - ModBus RTU, Timers, PCB, 12VDC - Image 5](https://images-na.ssl-images-amazon.com/images/I/51d1nXw3vXL.jpg)

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**Shop now:** [https://www.desertcart.pt/products/136026232-usb-16-relay-board-modbus-rtu-timers-pcb-12vdc](https://www.desertcart.pt/products/136026232-usb-16-relay-board-modbus-rtu-timers-pcb-12vdc)

---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-04-24*