2-Way 30A Relay Module – 5V High/Low Level Trigger for Arduino, PLC & Smart Home

Optocoupler Isolation & 30A Load Capacity | Dual Channel Relay for Industrial Control

This 2-channel 5V relay module is designed to control high-power electrical devices up to 30A. It allows independent control of two channels, making it perfect for automation and industrial applications.

The module supports both high-level and low-level triggering, allowing flexible integration with microcontrollers such as Arduino, ESP, or PLC systems.

It features optocoupler isolation, ensuring stable performance and protection against electrical interference.

Ideal for controlling lights, motors, heaters, pumps, and other high-power devices.

 Key Features:

• ✔️ 2 independent relay channels

• ✔️ Operating voltage: 5V DC

• ✔️ High & low level trigger support

• ✔️ Optocoupler isolation

• ✔️ LED status indicators

• ✔️ Screw terminals for easy wiring

 Technical Specifications:

• Power supply: 5V DC

• Channels: 2

• Max load: up to 30A / 250V AC or 30V DC

• Relay type: electromechanical

• Trigger: high/low level (jumper selectable)

• Quiescent current: ~5mA

• Operating current: up to ~190mA

• Dimensions: ~70 × 70 × 20 mm

 Advantages:

• Controls high-current devices (up to 30A)

• Dual-channel flexibility

• Compatible with Arduino, PLC, IoT

• Reliable and interference-resistant

• Easy to integrate