⚡ 1 Channel DC 12V Low Level Relay Module (With Optocoupler)
🔹 Product Overview
Control high-power AC or DC devices safely and efficiently with this 1 Channel 12V Relay Module featuring built-in optocoupler isolation. Designed for enhanced protection and stable performance, this module allows low-voltage control signals to switch high-voltage loads while reducing electrical interference.
Ideal for industrial automation, microcontroller projects, smart control systems, and DIY electronics where extra isolation and reliability are required.
✨ Key Features
🔌 12V DC operating voltage
🛡 Built-in optocoupler (light coupling) for electrical isolation
🔻 Low-Level Trigger (Active LOW)
⚡ Controls high voltage & high current loads
💡 Dual LED indicators (Power & Relay Status)
🔄 SPDT relay output (NO / NC / COM)
🧩 Compact PCB design with mounting holes
🚀 Stable switching & strong anti-interference performance
🛠 Easy 3-pin control interface (VCC, GND, IN)
📊 Technical Specifications
Operating Voltage: 12V DC
Trigger Type: Low-Level Trigger (Active LOW)
Isolation Method: Optocoupler Isolation
Relay Type: SPDT (Single Pole Double Throw)
Number of Channels: 1
Contact Rating:
10A @ 250V AC
10A @ 30V DC
Control Interface: VCC, GND, IN
Output Terminals: NO, NC, COM (Screw Terminal)
Indicator LEDs:
Power LED (Red)
Relay Status LED (Green)
Operating Temperature: -20°C to +70°C
PCB Mounting: With fixing holes
🔧 Applications
🏠 Smart home & appliance control
🏭 Industrial automation systems
💡 Lighting control
🚰 Pump & motor switching
🤖 Robotics & embedded systems
🌡 PLC & microcontroller-based projects