Over 15 years experience of providing support of MEAN WELL Power Supplies
Image shown is a representation only. Exact specifications should be obtained from the product datasheet.
Mean Well HLG-120H-42A Power Supply 120W 42V - Adjustable 2.9A
4.9 (21 reviews)Notify me when it's back in stock
Mean Well HLG-120H-42A Power Supply 120W 42V - Adjustable 2.9A
Log in to see priceThe HLG-120H is a 120W Mean Well AC-DC LED driver (input: 90~305VAC, output: 42V, operating temperature: -40~+80°C).
Key Features
- ✓ Input voltage: 90~305VAC
- ✓ Output voltage: 42V
- ✓ Rated output current: 2.9A
- ✓ Ingress protection: IP65
- ✓ Operating temperature: -40~+80°C
- ✓ Safety certifications: CB, CCC, CE, EAC, PSE, RCM, TÜV, UL
- ✓ 7 year warranty
-
BrandMean Well
-
SeriesHLG Series
-
Power Rating120 Watt
-
Output Voltage42 Volt
-
Rated Current2.9 Ampere
-
Input Voltage90V~305V
-
Standards MetCB,CCC,CE,EAC,PSE,RCM,TUV,UL
-
Operation ModeConstant Current,Constant Voltage
-
Operating Temperature-40°C~80°C
-
Warranty7 Year
-
Length22 cm
-
Width6.8 cm
-
Height3.88 cm
-
Weight1.12 kg
::specification::
Frequently Asked Questions
Can I use the HLG-120H-42A to fine-tune the voltage for a 42V LED panel array?
Yes. The HLG-120H-42A includes a built-in potentiometer that lets you adjust the output voltage and current within the 21-42V CC range. This is useful when you need to match the driver precisely to a specific 42V LED panel or module string for optimal brightness and efficiency.
Is the HLG-120H-42A suitable for indoor commercial 42V LED troffer installations?
Yes. At 120W and 42V with adjustable output, the HLG-120H-42A can drive 42V LED troffers and panel lights in office or retail ceilings. The IP65 water-resistant rating handles above-ceiling environments where dust and occasional condensation are present.
Can the HLG-120H-42A power 42V LED modules in a large backlit sign or display?
Yes. With 120W at 42V, the HLG-120H-42A provides enough power for a substantial array of 42V LED sign modules. The adjustable output allows you to dial in the exact operating point, and the 90-305VAC input accommodates most commercial mains supplies worldwide.
How many meters of 42V LED strip can the HLG-120H-42A drive?
Divide 120W by your strip's power consumption per meter. For example, a 42V strip rated at 12W/m allows up to 10 meters (120W / 12W per meter = 10m). Always check your strip's rated power per meter and keep total load at or below 120W.
Is the HLG-120H-42A appropriate for a covered parking structure or carport?
Yes. The IP65 rating protects against dust and low-pressure water jets from any direction, which is sufficient for sheltered outdoor or semi-enclosed environments like parking garages, carports, and covered walkways. For fully exposed outdoor locations with heavy rain, an IP67-rated variant such as the HLG-120H-42 or HLG-120H-42B is recommended.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Other HLG-120H Models
1 other model| Model | Power | Voltage | Current | IP Rating | |
|---|---|---|---|---|---|
| Mean Well HLG-120H-48A Power Supply 120W 48V - Adjustable 2.5A | 120W | 48V | 2.5A | IP65 | View |
Customer reviews
Reviewed by 21 customers across the HLG series
-
Best outdoor driver we use
Model: HLG-240H-24Quantity: 6HLG-240H-24 is IP67 and just keeps going. Powering a car-park flood install, 8 months no issues.
-
Premium, worth it
Model: HLG-185H-24Quantity: 4Built-in PFC, runs cool, DALI option on the B model. Our go-to.
-
Flawless
Model: HLG-320H-48Quantity: 2Drove a 48V architectural run for months, dead silent.
Please log in to write a review.
Write a review
Reviews are checked before publishing. By submitting you confirm this is your genuine experience with this product.
Submitting your review…
It's published and now helps other buyers.
We're checking it and it'll appear shortly.
Please try again.
