4 Channel Isolated 5V 10A Relay Module opto coupler For Arduino PIC AVR DSP ARM
4 Channel Isolated 5V 10A Relay Module opto coupler For Arduino PIC AVR DSP ARM
4 Channel Isolated 5V 10A Relay Module with Opto Coupler For Arduino PIC AVR DSP ARM
Product Overview
Control high-power circuits safely with this professional-grade 4-channel isolated relay module. Featuring optical isolation and robust design, it's the perfect interface between microcontrollers and high-current applications.
Key Specifications
| Feature | Details |
| Channels | 4 Independent Relay Channels |
| Input Voltage | 5V DC |
| Relay Contact Rating | 10A @ 250VAC / 30VDC |
| Isolation Type | Opto Coupler (Optical Isolation) |
| Compatible Platforms | Arduino, PIC, AVR, DSP, ARM, Raspberry Pi |
| Control Logic | Low-level trigger (Active Low) |
| Relay Type | Electromagnetic SPDT (Single Pole Double Throw) |
| Module Size | Compact PCB design |
| LED Indicators | Individual status LEDs per channel |
| Origin | Original/Authentic |
| Warranty | 7-day warranty on manufacturing defects |
| Support | 24/7 Email & WhatsApp |
Why Choose This Relay Module?
Optical Isolation - Complete electrical isolation protects your microcontroller from high-voltage spikes and noise
High Current Capacity - 10A rating handles demanding applications
4 Independent Channels - Control 4 separate circuits simultaneously
Universal Compatibility - Works with Arduino, PIC, AVR, ARM, and other platforms
LED Status Indicators - Visual feedback for each relay state
Industrial-Grade Quality - Reliable performance in professional environments
Easy Integration - Simple pin configuration and straightforward control
Authentic & Tested - 100% genuine with quality assurance
Technical Advantages
- Opto Coupler Protection: Prevents voltage spikes from damaging your microcontroller
- Low Trigger Current: Minimal power draw from control pins
- Fast Switching: Rapid relay response for time-critical applications
- Compact Design: Fits easily into breadboards and custom PCBs
- Heat Dissipation: Proper relay spacing prevents thermal issues
Applications & Project Ideas
Home Automation
- Smart lighting control systems
- Automated fan and AC management
- Water pump automation
- Door lock control
Industrial & Professional
- Machine control and automation
- Motor starter circuits
- Power distribution switching
- Safety interlocking systems
Educational & Hobby
- Arduino learning projects
- IoT device prototyping
- Robotics and robotics competitions
- DIY smart home experiments
- Electronics skill development
Advanced Applications
- Greenhouse automation
- Weather station control
- Security system integration
- Remote device switching
- Multi-load control systems
Pin Configuration
| Pin | Function |
| VCC | +5V Power Supply |
| GND | Ground |
| IN1-IN4 | Control inputs (Active Low) |
| COM1-COM4 | Common relay terminals |
| NO1-NO4 | Normally Open contacts |
| NC1-NC4 | Normally Closed contacts |
What's Included
In the Box:
- 1x 4-Channel Isolated Relay Module
- Complete pin-out documentation
- Quick start guide
- Technical datasheet
- Support contact information
Quality Assurance
100% Authentic - Sourced from authorized distributors
Factory Tested - Pre-tested before shipment
Quality Verified - Strict quality control standards
Certified Components - Original relay and opto coupler components
Shipping & Support
Fast Delivery - 1-5 days from Bengaluru warehouse, delivered in 7-8 days
Pan-India Shipping - Reliable courier partners
24/7 Technical Support - Email & WhatsApp assistance
7-day warranty on manufacturing defects - Full manufacturer coverage
7-Day Returns - Hassle-free returns on defects
Frequently Asked Questions
Is this module 100% authentic?
Yes, absolutely. We source all components from authorized distributors with full authentication verification. Each module undergoes quality testing before shipment.
What's the warranty coverage?
7-day warranty on manufacturing defects covering all manufacturing defects. We also offer 7-day returns for defective units with full refund or replacement.
How fast is the shipping?
Standard shipping is 7-8 days to most of India from our Bengaluru warehouse. Express options available for urgent requirements.
Can I use this with Arduino?
Yes! This module is fully compatible with Arduino and all Arduino boards. Simply connect control pins to digital outputs and power from 5V supply.
What's the maximum switching current?
Each relay can handle up to 10A at 250VAC or 30VDC. This is suitable for most household and industrial applications.
Do you provide technical support?
Yes, our technical team provides 24/7 support via email and WhatsApp. We help with wiring, programming, troubleshooting, and project guidance.
Is there a bulk discount?
Yes! We offer wholesale pricing on orders of 10+ units. Contact us for custom quotes and bulk discounts.
Buy 4 Channel Isolated 5V 10A Relay Module opto coupler For Arduino PIC AVR DSP ARM Online in India
Purchase the 4 Channel Isolated 5V 10A Relay Module opto coupler For Arduino PIC AVR DSP ARM online at The Tech Depot - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on 4 Channel Isolated 5V 10A Relay Module opto coupler For Arduino PIC AVR DSP ARM with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.
Looking to buy 4 Channel Isolated 5V 10A Relay Module opto coupler For Arduino PIC AVR DSP ARM at the best price in India? The Tech Depot offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.