Description
DC 12V/24V Slim Black Switching Power Supply 300W–400W, AC 110–130V/175–250V Input, LED Driver Transformer with Built-in Cooling Fan, CE/FCC/RoHS Certified
Package Included
| Version | Package Included |
| 110–130V AC / 12V 300W (1-Pack) | 1 × 300W 12V DC Slim Black Switching Power Supply with Cooling Fan, 1 × User Manual |
| 110–130V AC / 12V 400W (1-Pack) | 1 × 400W 12V DC Slim Black Switching Power Supply with Cooling Fan, 1 × User Manual |
| 110–130V AC / 24V 300W (1-Pack) | 1 × 300W 24V DC Slim Black Switching Power Supply with Cooling Fan, 1 × User Manual |
| 110–130V AC / 24V 400W (1-Pack) | 1 × 400W 24V DC Slim Black Switching Power Supply with Cooling Fan, 1 × User Manual |
| 175–250V AC / 12V 300W (1-Pack) | 1 × 300W 12V DC Slim Black Switching Power Supply with Cooling Fan, 1 × User Manual |
| 175–250V AC / 12V 400W (1-Pack) | 1 × 400W 12V DC Slim Black Switching Power Supply with Cooling Fan, 1 × User Manual |
| 175–250V AC / 24V 300W (1-Pack) | 1 × 300W 24V DC Slim Black Switching Power Supply with Cooling Fan, 1 × User Manual |
| 175–250V AC / 24V 400W (1-Pack) | 1 × 400W 24V DC Slim Black Switching Power Supply with Cooling Fan, 1 × User Manual |
About this item
- Slim black constant voltage switching power supply with built-in cooling fan
- Dual AC input options: 110–130V or 175–250V for flexible installation
- Provides stable DC 12V or 24V output
- Available in 300W and 400W models for high-power applications
- CE, FCC, and RoHS certified for safe and reliable performance
- Designed for LED strips, signage, CCTV, and other high-power DC devices
Order & Logistics
Lead Time
- Ships within 1–3 business days
Shipping Note
- This series enjoys our Free Shipping Policy for orders over $399. Most items in this series are stocked in our local warehouses in the US, UK, and Germany for 3–7 day delivery. If an item is out of stock locally, it will ship from our headquarters warehouse: 9–18 days standard or 5–9 days express.
- Packing: Cardboard box, sealed with polybag for small parts
Key Specifications
- Input Voltage: AC 110–130V / 175–250V
- Output Voltage: DC 12V / DC 24V
- Wattage Options: 300W / 400W
- Package Qty: 1-Pack
- Housing: Slim Black Metal Case with Built-in Cooling Fan
- Protection: Overload, Short-circuit, Over-voltage
Technical Specifications
| Model | 300W | 400W |
|---|---|---|
| Output (Voltage / Current) | 12V ⎓ 25A / 24V ⎓ 12.5A | 12V ⎓ 33A / 24V ⎓ 16.6A |
| Max Output Power | 300W | 400W |
| Input Voltage | AC 110–130V / 175–250V, 50/60Hz | |
| Voltage Adjustment Range | ±15% | |
| Protection Features | Overload, Over-voltage, Over-current, Over-temperature, Short-circuit; hiccup mode with auto-recovery | |
| Housing / Cooling | Metal enclosed body with built-in cooling fan for continuous high-power operation | |
| Efficiency | ≥88% | |
| Operating Temperature | -20°C to +60°C | |
| Connection Type | Screw terminals | |
| Safety Standards | CE, FCC, RoHS Certified | |
| Warranty | 1 year warranty; support via email | |
| Weight | 0.45 kg | 0.45 kg |
| Dimensions | 24.5cm x 5.4cm x 3cm | 24.5cm x 5.4cm x 3cm |
*Recommendation: For reliability, keep continuous load ≤ 80% of rated power. Select a transformer at least 20% larger than total load power to ensure stability and safety.
Usage Notes / Installation Tips
- Select correct AC input (110–130V or 175–250V) before powering on
- Do not exceed rated wattage capacity for each model
- Ensure proper ventilation for continuous high-power operation
- Disconnect power before installation or wiring adjustments
- Suitable for LED strips, signage, CCTV, and other high-power DC devices
Applications
- LED strip lighting and signage projects
- CCTV cameras and security systems
- Industrial and commercial DC-powered equipment
- Communication devices, pumps, and fans
- DIY and professional electronics projects
















