5V 30A 1-Channel Relay Module High Low Level Trigger with Optocoupler Isolation Load

The 1 Channel 5V 30A PLC High/Low Level Trigger Relay Module is a high-current relay switching module designed for industrial automation, PLC control, Arduino, ESP32, and smart control applications. It uses a 5V relay capable of switching loads up to 30A and supports both high-level and low-level trigger modes selectable via jumper. The module includes an onboard transistor driver, status LED indicator, and screw terminals for secure wiring, making it ideal for controlling heavy AC or DC loads safely and efficiently.

Technical Specifications:

• Module Type: 1-Channel Relay Module
• Relay Coil Voltage: 5V DC
• Relay Model: SLA-05VDC-SL-C / Equivalent
• Trigger Modes: High-Level / Low-Level Selectable
• Control Signal Voltage: 3.3V – 5V Compatible
• Maximum Switching Current: 30A
• Maximum Switching Voltage:
  • 250V AC
  • 30V DC
• Relay Contact Type: SPDT (NO / COM / NC)
• Input Interface: VCC, GND, IN

Features:

• Supports high-current switching up to 30A
• Selectable high-level or low-level trigger input
• Compatible with 3.3V and 5V logic systems
• Heavy-duty relay for industrial applications
• Built-in transistor driver circuit
• LED indicators for power and switching status
• Screw terminals for secure load connections
• Easy integration with PLC and microcontrollers
• Compact PCB design with mounting holes
• Suitable for AC and DC load control