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-40H-54A Power Supply 40W 54V - Adjustable 750mA
4.9 (21 reviews)Notify me when it's back in stock
Mean Well HLG-40H-54A Power Supply 40W 54V - Adjustable 750mA
Log in to see priceThe HLG-40H is a 40W Mean Well AC-DC LED driver (input: 90~305VAC, output: 54V, operating temperature: -40~+80°C).
Key Features
- ✓ Input voltage: 90~305VAC
- ✓ Output voltage: 54V
- ✓ Rated output current: 0.75A
- ✓ 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 Rating40 Watt
-
Output Voltage54 Volt
-
Rated Current0.75 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
-
Length17.1 cm
-
Width6.15 cm
-
Height3.68 cm
-
Weight0.73 kg
::specification::
Frequently Asked Questions
Can I use the HLG-40H-54A to fine-tune output for sensitive 54V LED fixtures?
Yes. The A suffix means it has a built-in potentiometer to adjust output voltage and current. With a CC voltage range of 32-54V, you can trim the output to match the exact forward voltage of your 54V LED fixture, which is useful for optimizing brightness and efficiency.
Is the HLG-40H-54A suitable for a small indoor 54V LED track lighting system?
Yes. At 40W and 54V, it can drive a compact track lighting setup using 54V LED modules. The adjustable output lets you calibrate brightness precisely. Its IP65 rating makes it suitable for indoor or semi-protected installations.
Can the HLG-40H-54A power 54V LED modules in a display case or retail fixture?
Yes, as long as the total LED load stays within 40W. The built-in potentiometer lets you reduce output to achieve the desired display brightness without needing an external dimmer. The constant-current operation across 32-54V adapts well to varying LED forward voltages.
How many meters of 54V LED strip can the HLG-40H-54A power?
Divide 40W by your strip's power consumption per meter. A 54V strip rated at 8W/m would allow up to 5 meters (40W / 8W per meter = 5m). Always check your strip's rated power per meter and keep total load at or below 40W for safe operation.
Is the HLG-40H-54A appropriate for a damp bathroom or laundry room installation?
Yes. Its IP65 rating protects against dust and low-pressure water jets, which is sufficient for damp indoor spaces like bathrooms, laundry rooms, or utility areas. For locations with direct rain exposure or potential standing water, the IP67-rated HLG-40H-54 or HLG-40H-54B would be better suited.
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-40H Models
2 other models| Model | Power | Voltage | Current | IP Rating | |
|---|---|---|---|---|---|
| Mean Well HLG-40H-24 Power Supply 40W 24V 1.67A | 40W | 24V | 1.67A | IP67 | View |
| Mean Well HLG-40H-24A Power Supply 40W 24V - Adjustable 1.67A | 40W | 24V | 1.67A | 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.
