All Products
Showing 1-20 of 48 products · 12 unavailable products hidden
Dual Ethernet 8-Channel Relay Module – PoE, Modbus RTU, Rail-Mount
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Introducing the Modbus POE ETH Relay (C) - Dual Ethernet Ports, 8-ChannelMaximize your industrial automation systems with the exceptional Modbus POE ETH Relay (C). Designed for reliability and robust performance, this 8-channel relay module takes control and connectivity to the next level with it...
16-Channel Ethernet Relay Module – Modbus, PoE Support, Isolation Protection
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The Waveshare Modbus POE ETH Relay 16CH is an industrial-grade 16-channel relay module controlled over Ethernet using Modbus RTU or Modbus TCP protocol. It features dual Ethernet ports for cascading, Power over Ethernet (PoE) support to IEEE 802.3af, and optocoupler-isolated relay drivers with fl...
Gravity: Magnetic Latching Relay for ESP32 / Arduino
A Magnetic latching relay is a new type of relay. It features low power dissipation and noiseless. Unlike other non-latching relay, the latching relay needs two digital pulse signal to switch ON/OFF state. This DFRobot Gravity: magnetic latching relay is compatible with most...
Ethernet Controlled 8 Channel Relay 16A
The ETH008 is an 8-channel relay module controlled over Ethernet using TCP/IP commands or a built-in HTTP web interface. Each relay is rated up to 16A and features SPCO (Single Pole Change Over) contacts with normally open, normally closed, and common pins available on screw terminals. Individual...
8-Channel Modbus RTU Latching Relay Module (C) with RS485, Rail-Mounted
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The 8-Channel Modbus RTU Latching Relay Module (C) is an industrial-grade relay controller with RS485 communication, designed for reliable automation in demanding environments. The latching relays retain their state after power loss, ensuring consistent operation without manual reset. Communicat...
Raspberry Pi 8-ch Relay Expansion Board
The RPi Relay Board (B) is an 8-channel relay expansion board for Raspberry Pi, giving your Pi the ability to switch high-voltage loads such as home appliances, lighting, motors, and other AC/DC devices. Each relay handles up to 5A at 250V AC or 30V DC, with photo-coupled isolation to protect the...
Modbus RTU 16-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits
An industrial-grade 16-channel relay module controlled via RS485 bus using the Modbus RTU protocol. Built-in isolation protection circuits — including power supply isolation, ADI magnetic isolation, optocoupler isolation, resettable fuse, and TVS diode — ensure safe, stable, and reliable operatio...
8 Channel 12V Relay Module 10A USB
An 8-channel 12V relay module with USB-A interface for computer-based control. Uses the ULN2803 relay driver chip and genuine Songle relays for stable operation. Each relay is rated for 10A switching. Features both a power socket and screw terminals for flexible power input. Once powered externa...
Modbus RTU 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits
Modbus RTU 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits, Industrial-Grade, Rail-Mount Case RS485 32-ch Relay Module Modbus RTU Protocol, Multi Isolation Protection Circuits, Safe & Stable & Reliable Features at a glance ...
16 Channel 5V Mini-Relay Module BK_RL16_01
A compact 16-channel relay module using HUIKE mini-relays, providing optocoupler-isolated control of up to 16 independent circuits. Despite having 16 channels, the board is close in size to a standard 8-channel relay module thanks to the mini-relay form factor. Each channel has a dedicated LED i...
Gravity: Digital 10A Relay Module For Arduino and Raspberry Pi
This Gravity digital relay module is designed for switching external loads from low-voltage controller boards. It suits 5V Arduino boards as well as 3.3V platforms such as Raspberry Pi, BBB, mbed, Intel Joule and Arduino 101.The module uses a high quality 3V relay and supports a wide input range,...
ESP8266 ESP-01/ESP-01S Relay WiFi Smart Control Module for Arduino
A WiFi-controlled relay module designed for ESP-01 or ESP-01S modules (based on the ESP8266). The relay is controlled via GPIO0 with a low-level trigger, allowing you to switch mains-powered devices on and off wirelessly from a phone or any WiFi-connected device. APP and LUA source code are provi...
Four Channel Relay for Micro: bit
Do you still looking for the relay module for the Micro: bit? Here we had combined the relay with the Micro: bit and you can use Micro: bit to control 4 relays at the same time. Features Apply to Micro: bit. Four channel relay. Specifications Input voltage: 5v Load voltage and current:...
Industrial Modbus RTU 8-Channel Relay Module (D) with Digital Input and RS485 Interface
The Industrial Modbus RTU 8-Channel Relay Module (D) is a reliable RS485-controlled relay module with 8 digital inputs. Designed for industrial applications, it supports the Modbus RTU protocol and includes multiple isolation protections like power, magnetic, and TVS diode isolation. It features ...
Industrial 8-Channel ESP32-S3 WiFi Relay Module (With POE)
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Built around the ESP32-S3 dual-core processor, this industrial relay module brings local control, networking and edge automation into one DIN-rail friendly unit. It combines 8 relay outputs, 8 digital inputs, isolated CAN, Ethernet, Wi-Fi and Bluetooth for control panels, robotics, smart factorie...
5V 1 Channel H/L Level Trigger Optocoupler Relay Module For Arduino
The 5V 1-Channel Optocoupler Relay Module provides safe, isolated switching of high-voltage loads from a microcontroller. An onboard SMD optocoupler isolates the control circuit from the relay, protecting your Arduino, Raspberry Pi, or other development board from voltage spikes. A jumper settin...
ESP8266 ESP-01S Relay
A WiFi-controlled relay module based on the AI-Thinker ESP-01S (ESP8266). It lets you switch AC or DC loads remotely over WiFi, making it a simple building block for smart home automation, IoT switching, and remote control projects. The module comes pre-loaded with demo firmware — supply 5V DC p...
1 Channel Relay 3V Relay Module for Micro:bit
A single-channel 3 V relay module from the ElecFreaks OCTOPUS series, designed for use with the BBC micro:bit. It uses a high-quality HUIKE relay capable of switching loads up to 30 A, making it suitable for controlling home appliances and other high-current devices. The module runs on 3 V power...
5V 1-Channel Relay Board Module
The 5V 1-Channel Relay Board Module provides a simple way to switch high-voltage loads from your Arduino, Raspberry Pi, or other microcontroller project. Controlled via a 5–12V TTL signal, this relay can switch loads up to 250V AC, making it suitable for controlling lights, fans, pumps, and other...
4 Channel Arduino Relay Shield
This 4-channel relay shield from DFRobot plugs directly onto an Arduino Uno or compatible board, providing opto-isolated relay switching for controlling high-power devices such as lamps, water pumps, and motors. Each relay has its own test button and LED status indicator. The shield features a b...
