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Mean Well HLG-40H-30AB Power Supply 40W 30V - Adjustable and Dimmable
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Mean Well HLG-40H-30AB Power Supply 40W 30V - Adjustable and Dimmable
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 Voltage30 Volt
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Rated Current1.34 Ampere
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Input Voltage90V~305V
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No of Output1
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Dimming Control10V PWM,1-10V,Built-in Potentiometer,Resistance
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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-30AB for dimmable 30V LED cove lighting?
Yes. The HLG-40H-30AB outputs 30V at up to 1.34A (40W) and supports both output adjustment via potentiometer and 1-10V/PWM dimming input. This makes it ideal for cove lighting where you want to set a base output level and then control brightness through a wall dimmer or automation system.
Is the HLG-40H-30AB a good driver for a dimmable 30V LED light box display?
Yes, provided the total load stays within 40W. The built-in dimming input lets you adjust brightness for different times of day or display needs, while the potentiometer allows fine-tuning the output to match your specific 30V LED panel or module. The CC range of 18-30V accommodates typical module string voltages.
Can the HLG-40H-30AB power 30V LED strips in a home theater or media room?
Yes. At 40W it can handle typical 30V ambient or bias lighting strip runs. The dimming capability through 1-10V or PWM input is particularly useful for home theater environments where you need to smoothly transition between full brightness and low ambient levels during viewing.
How many meters of 30V LED strip can the HLG-40H-30AB support?
Divide 40W by your strip's power consumption per meter. For instance, a 30V strip rated at 7W/m allows about 5.7 meters (40W / 7W per meter). A strip at 12W/m allows roughly 3.3 meters. Check your strip's rated power per meter and keep total draw within 40W.
Can the HLG-40H-30AB be mounted in a sheltered outdoor location like a covered porch?
Yes. Its IP65 water-resistant rating handles splashing water and dust, making it suitable for covered porches, gazebos, or carports where it won't be directly submerged or exposed to prolonged heavy rain. For fully exposed outdoor locations, the IP67-rated HLG-40H-30B with dimming would be more appropriate.
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Other HLG-40H Models
6 other models| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well HLG-40H-12B Power Supply 40W 12V - Dimmable | 40W | 12V | 3.33A | IP67 | $38.39 | 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 | $34.41 | View |
| Mean Well HLG-40H-15B Power Supply 40W 15V - Dimmable | 40.5W | 15V | 2.67A | IP67 | $35.33 | View |
| Mean Well HLG-40H-15A Power Supply 40W 15V - Adjustable | 40W | 15V | 2.67A | IP65 | $37.32 | View |
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