MEAN WELL HSN-200-5B 5V 40A 200W Power Supply
The MEAN WELL HSN-200-5B is a slim 5V 40A switching power supply for LED sign panels and video walls. This B-input model is rated at 200W and accepts 180–264VAC. Its 62mm width and 31mm height suit narrow cabinet mounting spaces.
Product parameters
| Parameter | Specification |
|---|---|
| Model | HSN-200-5B |
| Rated output | 5V, 40A, 200W |
| Voltage adjustment | 4.5–5.5V |
| AC input | 180–264VAC |
| DC input | 254–373VDC |
| Typical efficiency | 88% |
| Design | Non-PFC, fanless |
| Dimensions (L × W × H) | 210 × 62 × 31mm |
| Operating temperature | −25 to +70°C, subject to derating |
Mount the supply as specified for heat transfer and follow the load derating curves. HSN-200-5A has a different mains range and output rating; confirm the B suffix when ordering.
Product images and documents


Meanwell HSN-200-5B Switching Power supply Specification
Frequently asked questions
1. What does the B suffix mean on HSN-200-5B?
It identifies the 180–264VAC input version. The HSN-200-5A uses 90–132VAC, so the two versions are not interchangeable across mains ranges.
2. How does HSN-200-5B differ from HSN-200-5A output?
HSN-200-5B is rated at 5V 40A 200W. HSN-200-5A is rated at 5V 30A 150W.
3. Can I use this supply for a 4.2V panel?
Its specified adjustment range is 4.5–5.5V. A panel requiring 4.2V needs a supply with an appropriate output range.
4. How should the fanless supply be installed?
Follow the specification’s mounting and heat-dissipation instructions, including thermal contact with the specified plate or cabinet structure and the applicable derating limits.








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