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 Engineer Store - 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 Engineer Store 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.