This DC 5V 4-Channel USB Control Relay Module is designed for controlling external devices through a USB connection with a PC, PLC, or microcontroller. It enables easy automation and control of up to four independent electrical loads such as lamps, motors, fans, or other appliances via computer software or commands. Ideal for industrial automation, home automation, testing, and development applications.
Features
- 4-channel relay control via USB interface
- Each relay supports up to 10A at 250V AC or 30V DC
- Fully opto-isolated inputs for safe and reliable operation
- Built-in USB to serial conversion (CH340/FT232 chip)
- LED indicators for each relay status
- No external power supply needed – powered via USB
- Supports Windows/Linux with appropriate driver/software
- Compatible with PLCs, PCs, and microcontrollers
Applications
- PC-based industrial automation
- Home automation and smart control
- Testing and development environments
- Remote device switching via USB
- Relay control for lighting, fans, pumps, etc.
Specification
| Parameter | Value |
|---|---|
| Operating Voltage | 5V DC (USB powered) |
| Number of Relays | 4 |
| Relay Contact Rating | 10A @ 250V AC / 10A @ 30V DC |
| Communication Interface | USB 2.0 (via CH340/FT232) |
| Relay Type | SPDT (Single Pole Double Throw) |
| Isolation | Optocoupler |
| Operating System Support | Windows, Linux |
| Dimensions | Approx. 75mm x 55mm x 20mm |
FAQs
About Shipping Charges and delivery time
- Standard shipping: Rs 100 /-. The order gets delivered within 4-6 working days. (6-7 days in case of the battery as it travels through the surface).
- Free shipping is applicable on purchase of Rs 999 and above. The order gets delivered within 4-6 working days. (8-10 days in case of the battery, as it travels through the surface)
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