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Mean Well HLG-120H-42B Power Supply 120W 42V- Dimmable
The HLG-120H is a 120W Mean Well power converter (input range: 90~305VAC, operating temperature: -40~+80℃).
Key Features
- ✓ Input voltage range: 90~305VAC
- ✓ DC output voltage adjustable ±10%
- ✓ 3.75KVAC reinforced I/O isolation
- ✓ Cooling by free air convection
- ✓ Wide operating temperature: -40~+80℃
- ✓ Protections: Short circuit / Over voltage / Over temperature
- ✓ Active PFC — meets international energy efficiency regulations
- ✓ Safety approvals: Note.8 SAFETY &
- ✓ 3 years warranty
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BrandMean Well
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SeriesHLG Series
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Power Rating120 Watt
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Output Voltage42 Volt
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Rated Current2.9 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,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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Length8.66 in
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Width2.68 in
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Height1.53 in
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Weight2.47 lb
::specification::
Frequently Asked Questions
Can I use the HLG-120H-42B with a 1-10V dimmer to adjust outdoor 42V LED fixture brightness?
Yes. The HLG-120H-42B accepts 1-10V or PWM dimming signals for smooth brightness control of connected 42V LED fixtures. The IP67 waterproof rating means the driver can be mounted outdoors in direct weather exposure, making it ideal for dimmable landscape, facade, or area lighting at 42V.
Is the HLG-120H-42B suitable for a dimmable 42V LED street or parking lot light?
Yes. At 120W and 42V with dimming capability, the HLG-120H-42B can power medium-wattage 42V street lights or parking lot fixtures. The dimming input lets you reduce light levels during off-peak hours for energy savings, and the IP67 waterproof rating handles full outdoor exposure year-round.
Can the HLG-120H-42B drive dimmable 42V LED flood lights for building exteriors?
Yes. The 120W output at 42V provides sufficient power for medium-intensity flood lighting, and the dimming input allows scene-setting or scheduled brightness changes. The IP67 rating and -40°C to +80°C operating range make it reliable for permanent outdoor installations on building facades.
How many meters of 42V LED strip can the HLG-120H-42B power?
Divide 120W by your strip's wattage per meter to find the maximum run length. For a 42V strip rated at 10W/m, that would be 12 meters (120W / 10W per meter). Always verify your strip's rated power per meter and keep total load at or below 120W for reliable operation.
Can the HLG-120H-42B be installed in a wet location like a fountain or pool surround?
Yes. The IP67 rating protects against temporary submersion up to 1 meter depth, so wet locations such as fountain enclosures, pool equipment areas, and below-grade vaults are suitable mounting environments. The -40°C to +80°C operating range also handles the temperature swings common in such locations.
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Other HLG-120H Models
1 other model| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well HLG-120H-15A Power Supply 120W 15V - Adjustable | 120W | 15V | 8A | IP65 | $54.29 | View |
