30A Industrial Relay Module with Optocoupler Isolation – 1 Channel DIN Rail Mount

The 30A relay module with optocoupler is a high-performance, industrial-grade switching board engineered for secure and stable load control. It combines 30-amp load capacity, optocoupler signal isolation, and DIN rail mount housing, making it ideal for industrial IoT systems, control cabinets, HVAC switching, and custom automation panels.

Core Features & Benefits :

• 30A switching capacity for heavy AC/DC loads

• Optocoupler isolation to protect microcontrollers from electrical noise and high-voltage interference

• 1-channel control with jumper-selectable HIGH/LOW trigger modes

• DIN rail/guide rail mount enclosure for industrial panel installation

• LED indicators for power and relay status

• Screw terminals (NO/NC/COM) for secure wiring

• Compatible with ESP32, Arduino, STM32, Raspberry Pi, and custom control boards

Technical Specifications :

• Relay Type: 1 Channel Electromechanical Relay

• Logic/Isolation Input Stage: 5V Optocoupler

• Load Rating: Up to 30A (AC/DC depending on external load)

• Trigger Modes: High Trigger / Low Trigger (Jumper Selectable)

• Mounting: DIN Rail / Guide Rail Cabinet Mount

• Terminals: Screw-type Load & Signal Input

• Indicators: Power LED, Relay Status LED

• Best Use-Cases: Industrial load automation, IoT relay cabinets, smart switching panels, motor contact triggering, control board isolation

Ideal For :

 IoT relay systems, industrial control cabinets, automation panels, smart power switching, high-current device control, and DIY load controllers.