DC 48V 0.8A AC-DC Switching Power Supply Buck Module Board
DC 48V 0.8A AC-DC Switching Power Supply Buck Module Board
DC 48V 0.8A Switching Power Supply Module – AC to DC Buck Converter Board
Convert standard AC mains voltage (110V–240V) to a steady 48V DC output with this compact, reliable switching power supply bare board. Ideal for electronics enthusiasts, engineers, and makers who need a dependable step-down conversion solution for embedded systems, LED drivers, automation projects, and more. Its wide AC input range makes it compatible with power grids worldwide.
Key Features
- Wide AC Input Range: Accepts AC 110V–240V — compatible with both North American and international mains voltages.
- Stable 48V DC Output: Delivers a consistent 48V DC output at up to 0.8A for reliable device powering.
- Compact Form Factor: Measures just 7.25 × 4 × 2.6 cm — easy to integrate into custom enclosures or project builds.
- Switching Design: Efficient AC-DC switching topology minimizes heat generation and energy loss compared to linear regulators.
- Bare Board Design: Lightweight and versatile — mount it directly into your own project housing or panel.
- Broad Application: Suitable for LED strips, microcontroller power rails, industrial sensors, automation circuits, and DIY electronics projects.
Technical Specifications
| Input Voltage | AC 110V – 240V |
| Output Voltage | DC 48V |
| Output Current | 0.8A (max) |
| Dimensions | 7.25 × 4 × 2.6 cm |
| Type | AC-DC Step-Down Switching Power Supply |
| Form Factor | Bare Board (PCB) |
| Country of Origin | Made in Mainland China |
What's Included
- 1× DC 48V 0.8A Switching Power Supply Module (Bare Board)
Important Notes
- Due to lighting conditions and display screen differences, the product color may appear slightly different from photos.
- Please allow a tolerance of 1mm–1cm due to manual measurement.
- ⚠️ Safety Notice: This board operates with mains AC voltage. Always ensure proper insulation, enclosure, and safe wiring practices when installing. Consult OSHA electrical safety guidelines if in doubt.
For guidance on electrical safety standards when working with AC-DC power circuits, refer to OSHA Electrical Safety.
Frequently Asked Questions
Q: What devices can I power with this 48V 0.8A switching power supply module?
A: This DC 48V 0.8A power supply module is well-suited for powering 48V LED strips, PoE (Power over Ethernet) equipment, small motors, automation sensors, industrial control circuits, and DIY electronics projects that require a stable 48V DC supply drawing up to 0.8A.
Q: Is this switching power supply module compatible with both 110V and 240V AC mains?
A: Yes! The module accepts a wide input range of AC 110V–240V, making it compatible with standard power outlets in North America, Europe, Asia, and most other regions worldwide — no manual voltage switching required.
Q: Does this come in an enclosure, or is it a bare PCB board?
A: This is a bare board (PCB) module with no housing included. It is designed to be integrated into your own project enclosure or custom panel. Please ensure it is safely housed and insulated before connecting to mains voltage.
Q: What is the difference between a switching power supply and a linear regulator?
A: A switching power supply uses high-frequency switching to convert voltage efficiently, generating significantly less heat and wasting less energy than a traditional linear regulator. This makes it ideal for compact, efficient power conversion in both DIY and professional electronic projects.