8-channel SSR relay module 240V/2A triggered by low state

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

Industrial module with Ethernet interface that allows control of 8 relays via RJ45 port and has 8 built-in digital inputs. It uses Modbus TCP protocol, PoE (Power over Ethernet) power supply and is equipped with a rail-mounted housing. Waveshare Modbus POE ETH Relay (B)

A versatile module that allows you to control higher voltage devices such as 12V LED strips while simultaneously powering a microcontroller from 3.3V. The module integrates an LMR14203 converter and an N-channel MOSFET (PSMN7R0-100BS), allowing you to power the board at up to 12V and drive loads up to 10A, with additional protection features and LED indicators, making it ideal for projects requiring efficient power control. SparkFun COM-23979

Module with 2 5 V relays with a maximum switching current of 2 A. It communicates via the USB interface and does not require an additional power supply. Numato Lab USBPOWRL001

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

Module with 8 SSR relays with a load of up to 3 A. The board communicates via the USB interface. Numato Lab SSR80001-DC

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

2-channel module with relays 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 21284

Module with 2 relays SSR G3MC202P with a load up to 2 A. The board is equipped with a Grove connector and is controlled via digital inputs. Seeed Studio 103020134

The Pololu 5423 module provides reliable load control in RC systems with full galvanic isolation. The SPST solid-state relay supports up to 6 A at voltages up to 60 V and is suitable for applications requiring silent operation, durability, and precise control using RC signals. The version without soldered connectors offers flexibility for adaptation to individual projects.

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

Module with 2 relays SRD-05VDC-SL-C with a load up to 10 A. The board is equipped with a Grove connector and is controlled by a digital signal. Seeed Studio 103020132

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

Gravity: Digital 10A Relay Module is a module with 10A 35VAC / 30VDC relay compatible with devices with control signals in the range of 2.8 ... 5.5V. DFRobot DFR0473

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 relay module controlled via RS485 interface with Modbus RTU protocol support, offering 8 outputs with maximum load of 10 A. Equipped with galvanic isolation, opto-isolation, TVS diodes and DIN mounting, it ensures safe and reliable operation in harsh industrial conditions. Thanks to functions such as flash-on/off, configurable RS485 address (1-255), signaling diodes and wide power supply range (7-36 V), the module is perfect for building automation and device control. Waveshare Modbus RTU Relay (B)