AC-DC Power Supply Adapter 12V 3A

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– Regulated 12V DC output, up to 3A (36W)
– Standard 5.5mm x 2.1mm barrel connector
– Compatible with Arduino, LED strips, CCTV, routers and more
– Built-in overload, short-circuit and over-voltage protection
– Universal input: 100–240V AC, 50/60Hz
– Compact, lightweight design for home and workshop use

 350

In stock

AC-DC Power Supply Adapter 12V 3A — Reliable 12V DC Power

The AC-DC Power Supply Adapter 12V 3A provides a stable, regulated 12V DC output with a maximum current of 3A (36W). Designed for makers, hobbyists and professionals, this adapter converts 100–240V AC mains to a low-noise, low-ripple DC supply suitable for a wide range of electronics.

Why choose this 12V 3A power adapter?

  • Regulated output ensures steady voltage and protects sensitive electronics from voltage fluctuations.
  • High efficiency design minimizes heat and power loss for reliable long-term use.
  • Multiple built-in safety protections including over-voltage, over-current and short-circuit protection.
  • Standard 5.5mm x 2.1mm barrel plug for broad compatibility with consumer and maker devices.

Key Features

  • Input Voltage: 100–240V AC, 50/60Hz
  • Output Voltage: 12V DC (regulated)
  • Maximum Output Current: 3A
  • Output Power: 36W (max)
  • Connector: 5.5mm x 2.1mm DC barrel plug
  • Protections: Overload, short-circuit, over-voltage protection
  • High efficiency and low ripple design for stable performance
  • Compact, lightweight and portable housing

Technical Specifications

  • Model: AC-DC Power Supply Adapter 12V 3A
  • Input Range: 100–240V AC
  • Frequency: 50/60Hz
  • Output: 12V DC, up to 3A
  • Maximum Power: 36W
  • Connector Type: 5.5mm x 2.1mm barrel
  • Protection Features: OVP, OCP, SCP

Applications and Compatibility

This 12V 3A adapter is ideal for a wide range of devices and projects:

  • Arduino and other microcontroller boards
  • LED strip lighting and lighting controllers
  • CCTV security cameras and DVR systems
  • Routers, modems and small networking equipment
  • Small DC motors, hobby electronics and robotics
  • DIY projects in workshops, labs and classrooms

Installation and Safety Tips

  • Verify device voltage and current requirements before connecting.
  • Ensure the barrel connector polarity matches the device specifications (center positive is common).
  • Avoid exposing the adapter to moisture or extreme temperatures.
  • Unplug the adapter before servicing connected equipment.

What’s in the Box

  • AC-DC Power Supply Adapter 12V 3A with 5.5mm x 2.1mm barrel plug
  • User note: Images are for illustration purposes only

Who should buy this adapter?

If you need a dependable, compact 12V DC power source for Arduino projects, LED lighting, CCTV systems or small electronics, this 12V 3A AC-DC adapter is a practical and economical choice. Its regulated output and built-in protections make it suitable for both prototyping and deployment.

Note: Always confirm the required polarity and current draw of your device before connecting a power adapter.

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Vendor Information

  • Store Name: College Road Electronics
  • Vendor: College Road Electronics
  • Address: Microwave Electronics, Basement Azhar Shaheed Plaza, DAV College Road
    Rawalpindi
    Punjab
    46000
  • 3.00 rating from 2 reviews
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