1 Channel 12V Relay Module with Optocoupler

Quality electronics from The Engineer Store, Bengaluru. Fast shipping, 7-day warranty on manufacturing defects, expert support.

Product Overview

The 1 Channel 12V Relay Module with Optocoupler is a versatile switching solution designed for reliable control of high-power circuits from low-power microcontroller signals. The integrated optocoupler provides electrical isolation, protecting your control circuits from voltage spikes and ensuring safe operation in demanding applications.

Key Features

• Single Channel Design - Compact and easy to integrate into projects
• 12V Relay - Rated for switching AC/DC loads up to 10A
• Optocoupler Isolation - Protects microcontroller from back EMF and transient spikes
• Wide Compatibility - Works with Arduino, Raspberry Pi, PLC, and other microcontrollers
• LED Indicator - Visual feedback for relay status
• Low Trigger Current - Minimal power consumption from control circuit

Specifications

Parameter	Details
Type	Electronics Component
Relay Voltage	12V DC
Contact Rating	10A @ 250V AC / 10A @ 30V DC
Trigger Voltage	5V (TTL/CMOS compatible)
Trigger Current	~15-20mA
Optocoupler	Yes (electrical isolation)
Coil Resistance	~400Ohm
Switching Time	<10ms
Operating Temperature	-10 degreesC to +60 degreesC
Origin	Original/Authentic
Warranty	7-day warranty on manufacturing defects
Support	Email & WhatsApp 24/7

Why Choose This Product?

100% Authentic - Sourced from trusted suppliers with verification

Fast Shipping - 1-5 days from Bengaluru warehouse, delivered in 7-8 days

Expert Support - Technical assistance available round-the-clock

Industrial Grade - Built for reliability and durability

Cost Effective - Excellent value for money

Applications & Project Ideas

DIY Electronics & Hobbyist Projects

• Home automation systems (lights, fans, pumps)
• Weather station data logging with device control
• Smart garden irrigation systems
• IoT-based appliance control

Professional & Industrial Use

• Building automation and HVAC control
• Industrial equipment switching
• Power distribution systems
• Safety interlocking circuits

Learning & Education

• Microcontroller interfacing projects
• Electronics and embedded systems courses
• Robotics and automation labs
• Electrical engineering experiments

Other Applications

• Vehicle control systems
• Medical equipment interfaces
• Security and alarm systems
• Energy monitoring and management

What's Included in the Box

• 1x Single Channel 12V Relay Module with Optocoupler
• Quick start guide
• Pin configuration diagram
• Technical documentation
• Support contact information

How to Use

1. Connect Control Signal - Apply 5V logic signal to the input pin
2. Power Supply - Connect 12V DC to the relay coil
3. Load Connection - Connect your AC/DC load to the relay contacts
4. Observe LED - Status LED indicates relay activation
5. Switching - Relay switches instantaneously when signal is applied

Technical Advantages

• Optocoupler Protection - Isolates control circuit from high-voltage switching noise
• Fast Response - Sub-10ms switching time for time-critical applications
• Low Power Consumption - Minimal current draw from microcontroller
• Compact Form Factor - Easy integration into tight spaces
• Reliable Contacts - Silver alloy contacts for extended lifespan

Frequently Asked Questions

Is this 100% authentic?

Yes, all products are sourced from authorized distributors with authentication verification and quality testing before dispatch.

What warranty is provided?

7-day warranty on manufacturing defects covering all manufacturing defects. Extended warranty options available upon request.

How fast is shipping?

Standard shipping: 7-8 days to most locations in India from our Bengaluru warehouse. Express options available at checkout.

Can I use this with Arduino/Raspberry Pi?

Yes! This module is fully compatible with Arduino, Raspberry Pi, and most microcontroller platforms. Requires 5V logic signal input.

What's the maximum load I can switch?

The relay can handle up to 10A at 250V AC or 30V DC. Always verify your load specifications match these ratings.

Do you provide technical support?

Yes! Our expert team provides 24/7 technical support via email and WhatsApp. We help with wiring, code integration, and troubleshooting.

What's your return policy?

7-day returns on defective or damaged items with full refund or replacement at no extra cost. Original packaging required.

Are bulk discounts available?

Yes! Wholesale pricing is available on orders of 10 units or more. Contact our sales team for custom quotes.

Do I need a separate power supply for the relay?

Yes, the relay requires a 12V DC power supply separate from the microcontroller's 5V logic signal. This is included in the module design.

What's the difference between this and non-isolated relay modules?

The optocoupler provides electrical

Buy 1 Channel 12V Relay Module with Optocoupler Online in India

Purchase the 1 Channel 12V Relay Module with Optocoupler 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 1 Channel 12V Relay Module with Optocoupler 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 1 Channel 12V Relay Module with Optocoupler 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.