The RELAY4 module is a 5V 4-channel relay board featuring opto-isolation for safe control of high-voltage AC loads. It supports 3.3V–5V logic signals, making it compatible with microcontrollers like Arduino and Raspberry Pi. Each relay includes normally open and closed contacts.
Relay Modules
Durable relay modules enabling safe switching of high-power devices with low-power control. Ideal for automation, robotics, and electronic projects requiring reliability, efficiency, and seamless integration.
The RE1230 is a heavy-duty 1-channel relay module operating at 12VDC, capable of switching up to 30A at 240VAC or 30VDC. It features both normally open and closed output modes, making it ideal for high-power control in automation, appliances, and industrial applications.
The RE121C is a low-cost 1-channel 12V relay module capable of switching up to 10A at 250VAC or 15A at 125VAC. It features a built-in indicator light and can be directly interfaced with Arduino and various microcontrollers for automation tasks.
The RELAY16 is a 16-channel 5V relay module equipped with optocoupler isolation and onboard power regulation. It supports 10A at 250VAC, offering stable and interference-resistant performance, ideal for PLC extension, home automation, and microcontroller-based control systems.
The RE51WI is a 5V WiFi relay module powered by the ESP8266, supporting wireless control via smartphone. It operates up to 400 meters, supports 10A switching, and is ideal for smart home automation. Features diode protection and fast response time.
The RE248 is a 24V 8-channel relay module capable of switching 10A at 250VAC or 30VDC. Designed for AC/DC load control, it features onboard indicator LEDs, freewheeling diodes, high-quality screw terminals, and easy signal input access via pin headers.
The RE244 is a 24V 4-channel relay module with high-current support up to 10A at 250VAC or 30VDC. It features on-board LED indicators, opto-isolation, back EMF protection, and reliable screw terminal outputs, ideal for controlling AC/DC appliances in embedded systems.
The RE241 is a 24V single-channel relay module designed for precise timing and control. It supports high current switching up to 30A for DC and 10A for AC loads, making it ideal for home automation and industrial control systems requiring accurate timing from 0.1 seconds to 8 hours.
The RE51S is a compact 1-channel 5V solid-state relay module designed for safe and efficient switching of AC loads up to 240V/2A. Featuring a built-in fuse, low-level trigger control, and LED indicators, it's ideal for noise-sensitive and fast-switching automation projects.
The RELAY8 is an 8-channel 5V relay module designed for controlling high-voltage AC/DC devices. Featuring optocoupler isolation, LED status indicators, and robust screw terminals, it offers reliable switching for motors, lights, fans, and appliances via microcontrollers or development boards.
The RE1216 is a 16-channel 12V relay module with optocoupler isolation for reliable switching. It supports up to 250V AC at 10A per channel and includes an onboard power supply. Ideal for PLC extensions, appliance control, and microcontroller development boards.
The RE128 is an 8-channel 12V relay module featuring optocoupler isolation, supporting high-current loads up to 10A at 250VAC or 30VDC. Designed for reliable switching of AC/DC devices like lights, fans, and motors, it includes onboard status LEDs and screw terminals.