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Mean Well HLG-120H-42AB Power Supply 120W 42V - Adjustable and Dimmable
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Mean Well HLG-120H-42AB Power Supply 120W 42V - Adjustable and Dimm...
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,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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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 pair with the HLG-120H-42AB to a building automation system for dimming 42V LED lights?
Yes. The HLG-120H-42AB accepts 1-10V or PWM dimming signals, making it compatible with building management systems and smart-lighting controllers that output standard dimming signals. At 120W and 42V with adjustable output, it fits well into centrally controlled commercial lighting installations.
Is the HLG-120H-42AB a good choice for dimmable 42V LED cove or accent lighting indoors?
Yes. The combination of adjustable output (via potentiometer) and 1-10V/PWM dimming input gives you precise brightness control for architectural cove lighting, accent lighting, or display cases running on 42V LEDs. The 120W capacity supports medium-length lighting runs at 42V.
Can the HLG-120H-42AB power a dimmable 42V LED retail display lighting setup?
Yes. With 120W at 42V, dimming capability, and adjustable output, the HLG-120H-42AB lets you fine-tune brightness for retail displays, showcases, or merchandising illumination. The 90-305VAC input handles worldwide mains, and the IP65 rating suits indoor and sheltered commercial environments.
How many meters of 42V LED strip can the HLG-120H-42AB handle?
The HLG-120H-42AB provides up to 120W at 42V. For a strip rated at 14.4W/m, you could run approximately 8.3 meters (120W / 14.4W per meter). Always check your strip's rated power per meter and keep total load at or below 120W.
Can the HLG-120H-42AB be used in a dusty workshop or manufacturing floor?
Yes. The IP65 rating provides complete protection against dust ingress and low-pressure water jets. This makes it suitable for workshops, light manufacturing environments, and clean rooms where airborne particles are present. For wet or fully exposed outdoor locations, choose an IP67-rated model instead.
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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 |
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