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Mean Well HLG-320H-42AB Power Supply 320W 42V - Adjustable and Dimmable
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The HLG-320H is a 320W 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: SAFETY & EMC
- ✓ 3 years warranty
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BrandMean Well
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SeriesHLG Series
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Power Rating320 Watt
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Output Voltage42 Volt
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Rated Current7.65 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~90°C
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Warranty7 Year
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Length9.92 in
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Width3.54 in
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Height1.72 in
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Weight4.14 lb
::specification::
Frequently Asked Questions
Can I use the HLG-320H-42AB to power 42V LED strip lighting in a covered outdoor area?
Yes. The HLG-320H-42AB delivers 42V at up to 7.65A (320W) with an IP65 water-resistant rating, making it well suited for covered patios, canopies, or soffits where splashing water may occur. For fully exposed rain installations, consider the IP67-rated HLG-320H-42B instead.
Is the HLG-320H-42AB a good choice for powering high-output 42V LED signage?
Yes. With 320W at 42V, the HLG-320H-42AB can drive large 42V LED sign modules or channel-letter arrays. The built-in dimming input lets you reduce sign brightness during off-peak hours, and the adjustable output helps match the driver precisely to the module string voltage.
Can I dim the HLG-320H-42AB with a 1-10V or PWM signal?
Yes. The AB suffix indicates this model accepts 1-10V analog and PWM dimming signals. This makes it suitable for applications where you need external brightness control, such as architectural lighting scenes or daylight-responsive signage installations.
Can the HLG-320H-42AB drive 42V LED high-bay fixtures in a warehouse?
Yes. At 320W it has enough capacity for high-bay LED fixtures running at 42V. The adjustable output lets you fine-tune voltage and current to the fixture requirements, and the dimming input allows occupancy-sensor or daylight-harvesting integration. Its wide 90-305VAC input handles most industrial mains supplies.
How many meters of 42V LED strip can the HLG-320H-42AB power?
Divide 320W by your strip's rated power per meter. For example, a 42V strip drawing 14W/m would allow about 22.8 meters (320W / 14W per meter). Always check your strip's rated power per meter and keep total load at or below 320W.
Is the HLG-320H-42AB suitable for damp indoor environments like a parking garage?
Yes. Its IP65 rating protects against low-pressure water jets and dust ingress, which is more than adequate for parking garages, wash-down zones, or covered loading docks. For locations with standing water or direct rain exposure, the IP67 HLG-320H-42B is a better fit.
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Other HLG-320H Models
9 other models| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well HLG-320H-24 Power Supply 320W 24V | 320W | 24V | 13.34A | IP67 | $81.83 | View |
| Mean Well HLG-320H-12 Power Supply 264W 12V | 264W | 12V | 22A | IP67 | $77.62 | View |
| Mean Well HLG-320H-24B Power Supply 320W 24V- Dimmable | 320W | 24V | 13.34A | IP67 | $81.04 | View |
| Mean Well HLG-320H-12A Power Supply 264W 12V - Adjustable | 264W | 12V | 22A | IP65 | $80.77 | View |
| Mean Well HLG-320H-24A Power Supply 320W 24V - Adjustable | 320W | 24V | 13.34A | IP65 | $93.02 | View |
| Mean Well HLG-320H-48B Power Supply 320W 48V- Dimmable | 320W | 48V | 6.7A | IP67 | $81.04 | View |
| Mean Well HLG-320H-42A Power Supply 320W 42V - Adjustable | 320W | 42V | 7.65A | IP65 | $86.45 | View |
| Mean Well HLG-320H-54A Power Supply 320W 54V - Adjustable | 320W | 54V | 5.95A | IP65 | $99.33 | View |
| Mean Well HLG-320H-42B Power Supply 320W 42V- Dimmable | 320W | 42V | 7.65A | IP67 | $96.14 | View |
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