MEAN WELL UHP-200A-4.2 / UHP-200A-4.5 LED Power Supply
Choose the UHP-200A output version that matches your LED module: UHP-200A-4.2 provides 4.2V, while UHP-200A-4.5 provides 4.5V. Both are slim, fanless supplies with active PFC for LED signage installations.
Product parameters
| Parameter | Specification |
|---|---|
| UHP-200A-4.2 output | 4.2V, 40A, 168W |
| UHP-200A-4.5 output | 4.5V, 40A, 180W |
| 4.2V model adjustment | 4.0–4.4V |
| 4.5V model adjustment | 4.3–4.7V |
| AC input | 90–264VAC |
| Dimensions (L × W × H) | 167 × 55 × 26mm |
These are separate output models, not two simultaneous outputs. The UHP-200A series name does not make each version a 200W supply. Follow the manufacturer derating curves.
Product images and documents

Meanwell UHP-200A-4.2 UHP-200A-4.5 Power Supply for LED Screen Specification
Frequently asked questions
1. Which model should I choose for my LED module?
Use the nominal voltage specified by the module manufacturer. Select the 4.2V or 4.5V version accordingly and check total current demand.
2. Are both models rated at 200W?
No. The 4.2V model is rated at 168W and the 4.5V model at 180W; both have a 40A rated current.
3. Does one unit provide 4.2V and 4.5V at the same time?
No. The listing covers two single-output model options. Confirm the full model designation when ordering.
4. Can the supply be installed in a narrow cabinet?
Its dimensions are 167 × 55 × 26mm. Allow additional space for connections and cooling, and follow the mounting instructions.



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