---
product_id: 560413009
title: "Modbus POE ETH Relay 8-CH Ethernet Relay Module Supports Sending Modbus RTU/Modbus TCP Protocol Commands via Ethernet Port to Control Relay and Various Devices"
brand: "waveshare"
price: "458 zł"
currency: PLN
in_stock: true
reviews_count: 3
category: "Waveshare"
url: https://www.desertcart.pl/products/560413009-modbus-poe-eth-relay-8-ch-ethernet-relay-module-supports
store_origin: PL
region: Poland
---

# PoE & wide 7~36V power input Supports Modbus RTU/TCP + MQTT protocols 8 relay channels, 10A contact rating Modbus POE ETH Relay 8-CH Ethernet Relay Module Supports Sending Modbus RTU/Modbus TCP Protocol Commands via Ethernet Port to Control Relay and Various Devices

**Brand:** waveshare
**Price:** 458 zł
**Availability:** ✅ In Stock

## Summary

> ⚙️ Power your smart automation with industrial-grade precision and effortless Ethernet control!

## Quick Answers

- **What is this?** Modbus POE ETH Relay 8-CH Ethernet Relay Module Supports Sending Modbus RTU/Modbus TCP Protocol Commands via Ethernet Port to Control Relay and Various Devices by waveshare
- **How much does it cost?** 458 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/560413009-modbus-poe-eth-relay-8-ch-ethernet-relay-module-supports)

## Best For

- waveshare enthusiasts

## Why This Product

- Trusted waveshare brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Next-Gen Connectivity:** Full Modbus RTU/TCP and MQTT support for versatile, future-proof Ethernet control.
- • **Seamless Industrial Control:** 8 high-quality relays rated up to 10A handle heavy-duty devices with ease.
- • **Plug & Play Rail-Mount Design:** Durable ABS enclosure with DIN rail mounting for quick, secure industrial setup.
- • **Built for Safety & Reliability:** Optocoupler isolation and reverse-proof circuitry protect your system from electrical faults.
- • **Power Over Ethernet (PoE) Enabled:** Simplify installation with PoE power supply—no extra wiring needed.

## Overview

The Modbus POE ETH Relay 8-CH is an industrial-grade Ethernet relay module featuring 8 channels rated up to 10A, supporting Modbus RTU/TCP and MQTT protocols. It offers flexible power options including PoE and 7~36V DC input, with built-in optocoupler isolation and reverse-proof protection for enhanced safety. Designed for easy DIN rail mounting in an ABS enclosure, it provides reliable, high-performance relay control for industrial and smart home automation.

## Description

Overview This product is an industrial 8-ch relay module controlled via Ethernet port, adopts Modbus RTU/Modbus TCP protocols, supports PoE power supply, also comes with an ABS rail-mount case. Features --Features flash-on, flash-off function, by passing argument to the command, it is possible to turn on the relay for a while and then close it automatically --Supports DC 7~36V wide range power input and PoE power supply --Supports relay control through MQTT protocol, comes with Alibaba Cloud MQTT application demo --Onboard Optocoupler isolation, prevent the relay from being interfered by high-voltage circuit --Reverse-proof circuit, prevent the circuit from being damaged accidentally by incorrect connection --High-quality relay, contact rating: ≤10A 250VAC/30VDC --Rail-mounted ABS case, easy to install, safe to use --4 LEDs and Network indicators for indicating the MCU status and signal transceiving status Specifications Power supply-- PoE port, DC 5.5*2.1 power port, or Screw terminal (7~36V) Communication interface-- PoE port, IEEE 802.3af compliant Relay channels-- 8 Contact form-- 1NO 1NC Contact ratin-- ≤10A 250VAC/30VDC Modbus Protocol-- Modbus RTU Protocol or Modbus TCP Protocol LED indicators -- RUN: Ethernet port indicator, blinking in 2-second cycles when Ethernet port normally working -- STA: MCU indicator, blinking when the MCU normally working -- TXD: TX indicator, lights up when sending data -- RXD: RX indicator, lights up when receiving data Package Content Modbus POE ETH Relay x1 NOTE: Online Development Resources and Technical Support are provided, please feel free to contact us if you have any problem!

Review: Qualità non incredibile ma fa il suo lavoro.
Review: Hauptvorteile für uns: - Spannungsversorgung über PoE - Potentialfreie Wechsler - Status abfragbar

## Features

- Industrial 8-ch relay module supports Modbus RTU protocol/Modbus TCP protocol, supports TCP Server / TCP Client / UDP Mode / UDP Multicast / HTTP / MQTT, PoE port Communication
- Modbus POE ETH Relay features flash-on, flash-off function, by passing argument to the command, it is possible to turn on the relay for a while and then close it automatically. Supports DC 7~36V wide range power input and PoE power supply
- Onboard optocoupler isolation, prevent the relay from being interfered by high-voltage circuit, onboard reverse-proof circuit, prevent the circuit from being damaged accidentally by incorrect connection
- High-quality relay, contact rating: ≤10A 250VAC/30VDC, directly controlling 220VAC home appliances, or devices below 30VDC
- 4 LEDs and Network indicators for indicating the MCU status and signal transceiving status. Rail-Mounted ABS protective enclosure design, easy to install, safe to use

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CD72CVLB |
| Best Sellers Rank | #3,032 in Single Board Computers (Computers & Accessories) |
| Brand | waveshare |
| Coil Voltage | 36 Volts |
| Connector Type | Screw |
| Contact Current Rating | 10 Amps |
| Contact Material | Silver |
| Contact Type | 1no 1nc |
| Current Rating | 10 Amps |
| Date First Available | July 31, 2023 |
| Item Weight | 8.8 ounces |
| Manufacturer | Waveshare |
| Maximum Switching Current | 10 Amps |
| Minimum Switching Voltage | 7 Volts (DC) |
| Mounting Type | DIN Rail Mount |
| Operation Mode | Automatic |
| Product Dimensions | 5.7 x 3.54 x 1.57 inches |
| UPC | 790885235139 |

## Product Details

- **Connector Type:** Screw
- **Contact Material:** Silver
- **Contact Type:** 1no 1nc
- **Current Rating:** 10 Amps
- **Mounting Type:** DIN Rail Mount

## Images

![Modbus POE ETH Relay 8-CH Ethernet Relay Module Supports Sending Modbus RTU/Modbus TCP Protocol Commands via Ethernet Port to Control Relay and Various Devices - Image 1](https://m.media-amazon.com/images/I/614jhKU+NpL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐ Review
*by D***S on November 4, 2025*

Qualità non incredibile ma fa il suo lavoro.

### ⭐⭐⭐⭐⭐ Review
*by D***E on March 1, 2025*

Hauptvorteile für uns: - Spannungsversorgung über PoE - Potentialfreie Wechsler - Status abfragbar

### ⭐ Review
*by C***H on January 13, 2026*

Modbus ID fix auf 0 eigentlich Broadcast. Kann von Steuerung die die Modbus Adressing Guidelines streng umsetzen nicht verwendet werden. Ging deswegen retour

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-03-20*