Over 15 years experience of providing support of MEAN WELL Power Supplies
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 Voltage24 Volt
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Rated Current5 Ampere
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Input Voltage90V~305V
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No of Output1
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Dimming ControlNone
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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-24 to power 24V LED strip lighting outdoors?
Yes. The HLG-120H-24 outputs 24V at up to 5A (120W) and carries an IP67 waterproof rating, making it well suited for outdoor 24V LED strip runs exposed to rain, snow, or irrigation spray. Its aluminium casing and -40°C to +80°C operating range handle harsh weather conditions year-round.
Is the HLG-120H-24 a good fit for powering 24V LED channel-letter signage?
Yes. At 120W and 24V output, the HLG-120H-24 can drive a substantial run of 24V LED sign modules. The IP67 rating and wide 90-305VAC input make it practical for outdoor channel letters, cabinet signs, and monument signs where weather exposure and variable mains voltages are common.
Can I use the HLG-120H-24 for 24V landscape or pathway LED lighting?
Yes. The 120W capacity at 24V provides enough power for several landscape or pathway fixtures in series or parallel. The IP67 waterproof rating means it can be installed in buried junction boxes or exposed outdoor locations without additional weatherproofing.
How many meters of 24V LED strip can the HLG-120H-24 power?
That depends on the strip's rated power per meter. The HLG-120H-24 supplies up to 120W at 24V. For example, if your strip draws 14.4W/m, you could run up to about 8.3 meters (120W / 14.4W per meter). Always check your strip's rated power per meter and keep the total load at or below 120W.
Can the HLG-120H-24 be mounted in an outdoor enclosure or wet-location junction box?
Yes. Its IP67 waterproof rating means the unit is protected against temporary submersion up to 1 meter depth. It can be mounted in outdoor enclosures, wet-location junction boxes, or directly exposed to rain without needing additional weatherproofing.
What are the differences between the HLG-120H-24, 24A, 24AB, and 24B variants?
All four share the same 120W / 24V / 5A core specs. The base HLG-120H-24 has fixed output and IP67 waterproof rating. The -24A adds output voltage/current adjustment via built-in potentiometer (IP65). The -24AB adds both adjustment and 1-10V/PWM dimming input (IP65). The -24B offers dimming input only and retains IP67 waterproof rating.
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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 |



