SSR 240V/2A relay module with fuse

Numato Lab\'s 1-Channel USB Relay Module is an easy-to-use, flexible and versatile device, ideal for remote control of devices, home automation, prototyping and DIY projects, offering a 5V DPDT relay, GPIO, analog inputs and compatibility with multiple operating systems and serial console applications

5V relay module with IR receiver. Comes with a remote control

The module with the relay is designed for the M5Stack sets. It allows you to control devices with a working voltage of up to 220 V AC and a current of up to 3 A or a voltage of 30 V DC and an intensity of 3 A. M5Stack U023

Module with 8 relays and 10 analog inputs. Communicates via the WiFi wireless interface. Numato Lab WFRL80001

Module with 4 digital inputs, 4 outputs and 6 analog (current) inputs. It communicates via the RS485 interface and supports the Modbus RTU protocol. The board is enclosed in an industrial housing. Wellpro WP9038ADAM

The module contains four 5V relays with a maximum current of 10A (250 VAC) and opto-isolated inputs, and with jumpers it is possible to select switching with high or low status. The module is equipped with screw connectors. modRL04_ISO

Pololu 5425 offers silent, reliable operation when switching currents up to 10 A and voltages up to 30 V, providing galvanic isolation and full configurability of RC control parameters. The version without soldered connectors allows easy adaptation to individual mounting needs in RC and automation projects.

A magnetic latching relay that features low power consumption and quiet operation. It allows switching of signals up to 36 V and 10 A. It remains in the last position it was in before power was lost. DFRobot DFR0996

Industrial module with 8 relays and 8 digital inputs. It communicates via the RS485 interface and supports communication using the Modbus RTU protocol. Waveshare Modbus RTU Relay (D)

Module with 64 relays and 8 GPIO pins and 6 analog inputs. It communicates via the RS485, USB or Ethernet interface and supports the Modbus RTU/TCP protocol. Numato Lab NLRM1003-A

Module with one 240V/2A relay controlled by 5V with a fuse triggered by a high state. modSSR-1CH-H

Programmable time module with relay, allows you to set the time and manner of relay reaction on the trigger signal, has a built-in LED display. It can be supplied with voltage from the range of 6 - 30VDC or using the microUSB connector

This industrial relay module, powered by the Raspberry Pi RP2350B microcontroller, features six 10A 250VAC/30VDC relays and an isolated RS485 interface. It ensures safe and stable operation thanks to opto-isolation, power isolation, and surge protection. It supports programming in C/C++, MicroPython, and the Arduino IDE, and the 40-pin Pico HAT connector allows for easy expansion. Its robust DIN housing and 7–36V DC power supply make it ideal for industrial automation and IoT projects. Waveshare RP2350-Relay-6CH

Module with 4 SSR relays with a load of up to 3 A. The board communicates via the USB interface. Numato Lab SSR40001-DC

Crowtail-MOSFET 2.0 enables controlling devices powered with up to 50 V DC using a low-voltage signal from a microcontroller. It is used in projects requiring power isolation or switching, such as fans, LED strips or DC motors.

Module with 2 SSR relays with a load of up to 3 A. The board is equipped with the ULN2003 system and communicates via a digital interface. Numato Lab SSRC20001-DC