12V 3A Switching Power Supply Module AC to DC Step-Down Board
12V 3A Switching Power Supply Module AC to DC Step-Down Board
12V 3A Switching Power Supply Module — Reliable AC to DC Conversion
Convert standard household AC power (110–240V) to a stable 12V DC output with this compact and efficient switching power supply module. Designed for electronics projects, DIY builds, LED strips, routers, CCTV cameras, and other 12V DC-powered devices, this step-down power supply board delivers consistent, clean power with built-in safety protections you can count on.
Key Features
- Universal AC Input: Accepts AC 110–240V, 50/60Hz — compatible with power grids worldwide
- Stable DC Output: Delivers a steady DC 12V at up to 3A (36W max) for reliable device operation
- Triple Protection: Built-in over-temperature, overload, and short-circuit protection safeguard both the module and your connected devices
- Compact Board Design: Space-saving form factor ideal for integration into enclosures, DIY electronics, or custom builds
- ABS Housing Material: Durable, lightweight ABS construction for everyday reliability
- Model: XPJ-16A
Specifications
| Model | XPJ-16A |
| Input Voltage | AC 110–240V, 50/60Hz |
| Output Voltage | DC 12V |
| Output Current | 3A (max) |
| Output Power | 36W (max) |
| Protection | Over-temperature, Overload, Short-Circuit |
| Material | ABS |
| Country of Origin | Made in China (Mainland) |
What's in the Box?
- 1× 12V 3A Switching Power Supply Module
Important Notes
- Due to lighting and screen settings, the item's color may vary slightly from product images.
- Please allow 1mm–1cm differences due to manual measurement.
Learn More About Electrical Safety
For best practices when working with AC/DC power supplies and electrical components, refer to the U.S. Consumer Product Safety Commission – Electrical Safety guidelines.
Frequently Asked Questions
Q: What devices can I power with this 12V 3A switching power supply module?
A: This module is suitable for a wide range of 12V DC devices including LED strip lights, CCTV cameras, routers, Arduino and Raspberry Pi projects, small motors, fans, and other electronics that require a 12V DC supply at up to 3 amps (36W total).
Q: Does this power supply module work with both 110V and 240V AC input?
A: Yes. This step-down power supply board accepts a universal AC input range of 110V to 240V at 50/60Hz, making it compatible with electrical standards in the US, Europe, Asia, and most regions worldwide.
Q: What safety protections does the XPJ-16A module include?
A: The module features three layers of built-in protection: over-temperature protection (shuts down if it gets too hot), overload protection (triggers if current draw exceeds rated capacity), and short-circuit protection (safeguards the module and connected devices in the event of a wiring fault).
Q: Is this power supply module easy to integrate into a DIY project?
A: Absolutely. The compact board design is well-suited for integration into custom enclosures, electronics builds, and prototyping setups. Standard terminal connections make wiring straightforward for hobbyists and electronics enthusiasts.