12V 3A Switching Power Supply AC to DC Converter Module
12V 3A Switching Power Supply AC to DC Converter Module
12V 3A Switching Power Supply Bare Board — AC to DC Converter Module
Power your electronics projects with confidence using this compact 12V 3A Switching Power Supply Bare Board. Designed to convert standard AC mains voltage (110–240V) to a stable DC 12V / 3A output, this module is a reliable choice for DIY electronics, embedded systems, LED drivers, industrial automation, and more. Its wide-input voltage range makes it compatible with power grids around the world.
Key Features
- Universal AC Input: Accepts AC 110V–240V, making it suitable for use in North America, Europe, Asia, and beyond.
- Stable DC Output: Delivers a steady 12V DC at up to 3A (36W max), ideal for powering microcontrollers, LED strips, sensors, routers, and more.
- Switching Technology: High-efficiency switch-mode design minimizes heat generation and energy waste compared to linear regulators.
- Bare Board Design: Compact, open-frame module that can be easily integrated into enclosures, panels, or custom builds.
- ABS Construction: Key components protected with durable ABS material for added longevity.
- Compact Form Factor: Small footprint (approx. 82.5mm × 43mm × 22mm) fits easily into tight spaces.
Specifications
| Parameter | Value |
|---|---|
| Input Voltage | AC 110V – 240V |
| Output Voltage | DC 12V |
| Output Current | 3A (Max) |
| Max Output Power | 36W |
| Board Dimensions | Approx. 82.5mm × 43mm × 22mm |
| Material | ABS |
| Country of Origin | Made in Mainland China |
What's in the Box
- 1× 12V 3A Switching Power Supply Bare Board Module
Important Notes
- Due to lighting and screen differences, the item's color may appear slightly different from product images.
- Please allow 1mm–10mm dimensional differences due to manual measurement.
- This is a bare board module — appropriate electrical safety precautions should be observed during installation. Mains voltage is present on the input side.
Safety & Electrical Standards
For guidance on electrical safety standards for switching power supplies and AC-DC converters, refer to the U.S. Consumer Product Safety Commission (CPSC) — Electronic Products Safety Guidance.
Frequently Asked Questions
Q: What devices can I power with this 12V 3A switching power supply module?
A: This module is suitable for powering a wide range of 12V DC devices drawing up to 3A (36W), including LED strips, CCTV cameras, routers, Arduino/Raspberry Pi setups with peripherals, small motors, sensors, and other embedded electronics projects.
Q: Is this power supply module compatible with both 110V and 240V mains?
A: Yes. This AC-to-DC converter accepts a wide input range of AC 110V–240V, making it universally compatible with standard electrical outlets in North America, Europe, Asia, Australia, and most other regions worldwide.
Q: Do I need any special tools or skills to install this bare board power supply?
A: This is an open-frame bare board module intended for integration into enclosures or custom builds. Basic electronics knowledge and proper safety precautions are recommended, as the input terminals carry mains voltage. Always ensure the module is properly housed and insulated before powering it on.