modRL04

Module with the SLA-05VDC-SL-C relay with a maximum load of 30 A. The board is equipped with a Grove connector and is controlled by a digital signal. Seeed Studio 103020012

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

The Pololu 5422 module enables precise and safe control of loads in RC systems while maintaining galvanic isolation. The solid-state relay with SPST configuration provides silent switching of currents up to 6 A and voltages up to 60 V. It is dedicated to switching motors, valves, and other components in RC and automation projects.

4-channel module with relays, designed to work with the Raspberry Pi. It can switch 120VAC/2A or 24VDC/2A signals. SB Components 14071

Module with four 240V/2A relays controlled by 5V with a fuse triggered by a high state. modSSR-4CH-H

Numato Lab RL20001EN is a 2-channel USB relay module with SPDT relays, 8 GPIO pins, 6 analog inputs and a USB interface, ideal for home automation, industrial, DIY and prototyping applications

Module with SSR relay with a load of up to 3 A. It communicates via the USB interface and does not require additional power supply. Numato Lab SSRP20001-DC

4-channel switch module with a maximum voltage of 16 V and a current of 2 A based on a MOSFET transistor. It is controlled by digital inputs. It is equipped with a screw connection and status LEDs. Adafruit 5757

This SPST solid-state relay module allows for safe switching of DC circuits up to 60 V and 7 A, offering galvanic isolation and low conduction resistance (approx. 30 mΩ) thanks to the use of back-to-back MOSFET transistors. It features fast switching time (up to 1 ms), low control current consumption (approx. 10 mA), and the ability to control a signal from 2.7 to 40 V. Its compact design, lack of mechanical components, and the ability to mount on 2.54 mm connectors or screw terminals make the module a durable and quiet solution for systems requiring reliable isolation and long service life. Pololu 5420

Compact module with MOSFET IRF520 24V/5A transistor.

2-channel SSR 240V / 2A relay module with fuse. modSSR-2CH

Universal module supervised by the website, which can control both DC circuits as well as powered from 230 V mains. The states of digital inputs, relays and control buttons are presented on the website. AVTMOD05

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

Switch module with a maximum voltage of 40 V and a current of 10 A, based on a MOSFET transistor, HT0740 driver and I2C expander. It has a screw connection and a status LED. Pimoroni PIM455

1-channel module with a relay designed to work with the Raspberry Pi Pico. It can switch signals up to 250 V AC and 7 A or 30 V DC and 10 A. SB Components 21277

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