1-Channel 30A Relay Module 5V Trigger (SKU SLA30)
Currently unavailable
No store has this product in stock right now. Prices below are the last ones we recorded.
Prices updated: 12 Oct 2026
Price history
Lowest daily price, last 90 days
Not enough price history yet.
About this product
A single-channel relay module rated at 30A that is switched by a 5V logic signal, so it can be driven directly from a microcontroller output such as an Arduino pin. It is used to switch higher-current loads such as pumps, lamps and appliances from a low-voltage control circuit. Confirm the load voltage and current before wiring.
Specifications
- Channels
- 1
- Trigger signal
- 5 V
- Rated current
- 30A
Frequently asked questions
How do I connect it to an Arduino?
Connect the signal pin to a digital output on the Arduino, and connect the module's VCC and GND to the 5V and GND of the board. Share a common ground between the Arduino and the relay module.
Can I use it to switch mains voltage?
The listing gives a 30A current rating but no mains voltage rating. Check the contact voltage printed on the relay body before connecting mains loads, and keep mains wiring fully insulated inside an enclosure.
