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Mean Well HLG-40H-15A Power Supply 40W 15V - Adjustable
The HLG-40H is a 40W Mean Well power converter (input range: 90~305VAC).
Key Features
- ✓ Input voltage range: 90~305VAC
- ✓ DC output voltage adjustable ±10%
- ✓ 3.75KVAC reinforced I/O isolation
- ✓ Cooling by free air convection
- ✓ Protections: Short circuit / Over voltage / Over temperature
- ✓ Active PFC — meets international energy efficiency regulations
- ✓ Safety approvals: Note.8 SAFETY & EMC
- ✓ 3 years warranty
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BrandMean Well
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SeriesHLG Series
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Power Rating40 Watt
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Output Voltage15 Volt
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Rated Current2.67 Ampere
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Input Voltage90V~305V
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No of Output1
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Dimming ControlBuilt-in Potentiometer
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Standards MetCB,CCC,CE,EAC,PSE,RCM,TUV,UL
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Operation ModeConstant Current,Constant Voltage
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Operating Temperature-40°C~80°C
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Warranty7 Year
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Length6.73 in
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Width2.42 in
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Height1.45 in
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Weight1.61 lb
::specification::
Frequently Asked Questions
Can I use the HLG-40H-15A to power 15V LED strip lighting in a museum display?
Yes. The HLG-40H-15A outputs 15V at up to 2.67A (40W) and includes a built-in potentiometer for adjusting output voltage and current. This is useful for museum or gallery displays where precise brightness matching and artifact protection are important.
Is the adjustable output on the HLG-40H-15A helpful for fine-tuning 15V LED signage brightness?
Yes. The potentiometer lets you trim voltage and current to match the exact requirements of your 15V sign modules, which can extend LED lifespan and reduce heat. The constant-current range of 9-15V provides meaningful adjustment headroom for different module configurations.
Can the HLG-40H-15A drive a small 15V LED fixture in a retail environment?
Yes. At 40W and 15V, it is well suited for compact shelf lighting, display case illumination, or accent fixtures operating at 15V. The adjustable output lets you dial in the optimal brightness without an external dimmer. Its compact size of 171 x 61.5 x 36.8 mm allows easy concealment.
How many meters of 15V LED strip can the HLG-40H-15A handle?
Divide 40W by the strip's wattage per meter. A 15V strip rated at 8W/m could run up to 5 meters (40W / 8W per meter = 5m). Check your strip's rated power per meter and keep total load at or below 40W for reliable operation.
Is the HLG-40H-15A suitable for a semi-exposed outdoor location like a covered porch?
Yes. Its IP65 water-resistant rating protects against dust and low-pressure water jets, making it appropriate for sheltered outdoor areas such as covered porches, gazebos, or awnings. For fully exposed rain installations, consider the IP67-rated HLG-40H-15 instead.
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Other HLG-40H Models
5 other models| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well HLG-40H-12B Power Supply 40W 12V - Dimmable | 40W | 12V | 3.33A | IP67 | $31.16 | View |
| Mean Well HLG-40H-24B Power Supply 40W 24V - Dimmable | 40W | 24V | 1.67A | IP67 | $33.90 | View |
| Mean Well HLG-40H-24A Power Supply 40W 24V - Adjustable | 40W | 24V | 1.67A | IP65 | $37.32 | View |
| Mean Well HLG-40H-12 Power Supply 40W 12V | 40W | 12V | 3.33A | IP67 | $37.32 | View |
| Mean Well HLG-40H-15B Power Supply 40W 15V - Dimmable | 40.5W | 15V | 2.67A | IP67 | $35.33 | View |
