MEAN WELL HSN-300 LED Power Supply: 5A, 5B, 4.2A & 4.2B
$ 34.00
Compare HSN-300-5A, HSN-300-5B, HSN-300-4.2A and HSN-300-4.2B. A versions use 90–132VAC; B versions use 180–264VAC, with model-specific output ratings.
MEAN WELL HSN-300 LED Power Supply: 5A, 5B, 4.2A & 4.2B
The MEAN WELL HSN-300 range provides separate 4.2V and 5V power supplies for LED sign panels. The A and B suffixes identify different mains input versions and current ratings. Compare the exact model below before selecting a replacement.
Product parameters
| Parameter | Specification |
|---|---|
| HSN-300-4.2A | 4.2V, 50A, 210W; 90–132VAC input |
| HSN-300-4.2B | 4.2V, 60A, 252W; 180–264VAC input |
| HSN-300-5A | 5V, 50A, 250W; 90–132VAC input |
| HSN-300-5B | 5V, 60A, 300W; 180–264VAC input |
| 4.2V model adjustment | 3.6–4.4V |
| 5V model adjustment | 4.5–5.5V |
| Dimensions (L × W × H) | 210 × 81 × 31mm |
| Operating temperature | −20 to +70°C, subject to derating |
These are four separate models, not selectable output modes. Follow the PDF mounting, heat-dissipation and static-characteristic requirements; the 31mm case alone does not establish installation compatibility.
Reference images and specification
The retained photographs below show the HSP-300-5 model, not the HSN-300 variants listed above. Use the HSN-300 specification for the electrical ratings and confirm the exact model label before ordering.
Meanwell HSN-300-5A/5B/4.2A/4.2B LED Display Power Supply Specification
Frequently asked questions
1. What is the difference between HSN-300 A and B versions?
A versions accept 90–132VAC and are rated at 50A. B versions accept 180–264VAC and are rated at 60A. Choose the correct input version for the mains.
2. Are all HSN-300 models rated at 300W?
No. HSN-300-4.2A is 210W, HSN-300-4.2B is 252W, HSN-300-5A is 250W and HSN-300-5B is 300W.
3. Can the 4.2V model be adjusted to 5V?
The 4.2V models have a 3.6–4.4V adjustment range. For a load that requires 5V, select a suitable 5V model rather than exceeding this range.
4. What must be checked when fitting this supply in a sign cabinet?
Verify the full model number, mains input, module voltage, load, terminal wiring and mounting space. Follow the specified mounting and derating conditions for heat dissipation.
| Weight | N/A |
|---|
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