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Mean Well HLN-40H-12B Power Supply 40W 12V - IP64, Dimmable
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Mean Well HLN-40H-12B Power Supply 40W 12V - IP64, Dimmable
The HLN-40H is a 40W Mean Well power converter (input range: 90~305VAC, operating temperature: -40~+50℃).
Key Features
- ✓ Input voltage range: 90~305VAC
- ✓ DC output voltage adjustable ±10%
- ✓ 3.75KVAC reinforced I/O isolation
- ✓ Wide operating temperature: -40~+50℃
- ✓ Protections: Short circuit / Over voltage / Over temperature
- ✓ Active PFC — meets international energy efficiency regulations
- ✓ Safety approvals: UL8750, CSA C22.2 No. 250.0-08 (except for 48V, 54V), EN61347-1, EN61347-2-13 independent, IP64, J61347-1, J61347-2-13
- ✓ 3 years warranty
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BrandMean Well
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SeriesHLN Series
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Power Rating40 Watt
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Output Voltage12 Volt
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Rated Current3.33 Ampere
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Input Voltage90V~305V
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No of Output1
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Dimming Control10V PWM,1-10V,Resistance
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Standards MetCB,CCC,CE,EAC,PSE,TUV,UL
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Operation ModeConstant Current,Constant Voltage
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Operating Temperature-40°C~50°C
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Warranty3 Year
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Length6.34 in
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Width2.42 in
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Height1.38 in
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Weight0.77 lb
::specification::
Frequently Asked Questions
Can I use the HLN-40H-12B for 12V LED signage modules?
Yes, this model is intended for signage applications and provides 12V output up to 3.33A, with 40W maximum power. It is a fit for 12V sign lighting loads that stay within the 7-12V constant-current range and the 40W limit.
Is the HLN-40H-12B suitable for 12V LED strip lighting in display or accent projects?
It can be used where the lighting load matches 12V and stays within 40W total output. The driver delivers up to 3.33A, so the strip or lighting product needs to match both the 12V output and the available current.
Can this driver power 12V lighting for sign cabinets or channel letters?
Yes, that is a reasonable use case because the unit is rated 12V, 40W and is specifically noted as suitable for signage applications. Its IP64 housing also makes it better suited to locations where dust or splashing water are concerns than an indoor-only unit.
Can I use the HLN-40H-12B for damp-location decorative lighting?
It can suit 12V decorative lighting where the load remains within 40W and 3.33A, and where an IP64 enclosure is appropriate. The operating temperature range of -40°C to +50°C also supports use in cold and hot environments within that range.
How much 12V LED strip can the HLN-40H-12B run?
The maximum load is 40W at 12V, with up to 3.33A output. Estimated strip length = 40W divided by your strip's rated power per meter, and you should check your strip rated power per meter before sizing.
Is the HLN-40H-12B okay for outdoor or wet areas?
It has an IP64 rating, so it is suited to environments with dust exposure and splashing water rather than fully submerged conditions. Its operating temperature range is -40°C to +50°C, so outdoor use should stay within that temperature range.
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