4-channel SSR 240V / 2A relay module with fuse

1-channel relay module with optoisolation and configurable triggering is a versatile solution for load control in microcontroller projects. Thanks to its compact design and stable connectors, it is suitable for automation and prototyping applications.

Module with one 5 V relay with a maximum switching current of 10 A. It communicates via a USB interface and does not require additional power supply. Numato Lab NLRL1001-A

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

Module with a 12 V relay and a timer. It allows you to turn the device on and off cyclically at a specified time using potentiometers. It can also operate in single trigger mode, which allows the device to be turned on after a signal has been applied for a specified period of time. The operating time can be adjusted from 1 s to 100 s or from 1 s to 15 min

Switch module with a maximum voltage of 12 V and a current of 10 A based on a MOSFET transistor, controlled by a digital pin. It is equipped with a screw connection and a status LED. SparkFun SPX-19799

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.

Module with monostable relay. It allows you to control high-power elements with a microcontroller. Adafruit 2895

2 Channel 5V Relay Module

Industrial module based on the ESP32-S3 microcontroller, which supports WiFi, Bluetooth and RS485 interface. Equipped with 6 high-power relays (up to 10A at 250VAC/30VDC), it allows for safe control of various devices and integration with industrial sensors via the Modbus protocol. The module supports popular programming environments such as Arduino and MicroPython, making it ideal for AIoT and remote monitoring applications. Waveshare ESP32-S3-Relay-6CH

Module with 2 relays controlled by the I2C interface. Each relay can switch currents up to 25 A at 12 to 280 V AC. SparkFun COM-16810

Module with 8 SSR relays with a load of up to 3 A. The board communicates via the Ethernet interface. Numato Lab 8ETHSSR001-AC

The remotely controlled modulation module MOD-34 / AZ allows wireless load control with up to 10 A current consumption via a relay. It does not contain nRF24l01.

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

This module allows independent control of two Omron G5LE-14-DC12 SPDT relays, supporting currents up to 10A. Thanks to built-in BSS138K MOSFETs, it can be controlled directly from 3.3V or 5V development boards such as Arduino or Raspberry Pi. Each channel is equipped with an LED to indicate relay activation and 5mm screw terminals for convenient circuit connection. Pololu 5666

Module with 16 12 V relays with a load of up to 7 A. The board communicates via the Ethernet interface. Numato Lab 16ETHRL001

Module with 16 relays with a maximum switching current of 7 A. It communicates via the USB interface. Numato Lab RL160001