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

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-AC

Adafruit FeatherWing module with snap relay. It allows you to control high-power components using a microcontroller. It allows switching current to 2A (at 40VAC or 30VDC) and voltage up to 250VAC. Adafruit 2923

The module with 2 relays is designed for the M5Stack sets. It allows you to control devices with an operating voltage of up to 250 V AC and a current of up to 8 A or a voltage of 28 V DC and a current of 8 A. M5Stack U131

The module contains eight 5V relays with a maximum current of 10A (250 VAC) and opto-isolated inputs, and with jumpers it is possible to select high or low switching. The module is equipped with screw connectors. modRL08_ISO

Module with monostable relay. It allows you to control high-power elements with a microcontroller. Adafruit 3191

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

The module is dedicated to home automation based on the Raspberry Pi. It allows you to control two devices 250VAC/7A or 30VDC/10A, providing isolation with an optocoupler. SB Components 21932

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 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

Module with 32 12 V relays with a load of up to 7 A. The board communicates via the Ethernet interface. Numato Lab 32ETHRL001

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

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

Your 5V system can wield great power with this big, beefy relay board. Kit contains all the parts you need to get your high-power load under control. Sparkfun KIT-13815

Board with the WiFi ESP-12F (ESP8266) module and a 5 V relay. Equipped with an AC adapter

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

The module with the HLS8-T73 relay with a load up to 5 A. The board is equipped with a Grove connector and is controlled by a digital input. Seeed Studio 103020005