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-240H-20B Power Supply 240W 20V- Dimmable
The HLG-240H is a 240W Mean Well power converter (input range: 90~305VAC).
Key Features
- ✓ Input voltage range: 90~305VAC
- ✓ DC output voltage adjustable ±10%
- ✓ 3.75KVAC reinforced I/O isolation
- ✓ Cooling by free air convection
- ✓ Protections: Short circuit / Over voltage / Over temperature
- ✓ Active PFC — meets international energy efficiency regulations
- ✓ 3 years warranty
-
BrandMean Well
-
SeriesHLG Series
-
Power Rating240 Watt
-
Output Voltage20 Volt
-
Rated Current12 Ampere
-
Input Voltage90V~305V
-
No of Output1
-
Dimming Control10V PWM,1-10V,Resistance
-
Standards MetCB,CCC,CE,EAC,PSE,RCM,TUV,UL
-
Operation ModeConstant Current,Constant Voltage
-
Operating Temperature-40°C~90°C
-
Warranty7 Year
-
Length9.61 in
-
Width2.68 in
-
Height1.53 in
-
Weight2.87 lb
::specification::
Frequently Asked Questions
Can I use the HLG-240H-20B for outdoor 20V LED strip lighting with brightness control?
Yes. The HLG-240H-20B outputs 20V at up to 12A (240W) with an IP67 waterproof rating and a built-in dimming input (1-10V/PWM). You can install it in fully exposed outdoor locations and use an external dimmer or lighting controller to adjust LED strip brightness.
Is the HLG-240H-20B a good fit for dimmable 20V LED signage exposed to the elements?
Yes. With 240W at 20V and the IP67 waterproof rating, it can drive large 20V sign modules in fully exposed outdoor locations. The dimming input allows you to reduce sign brightness at night to comply with local ordinances or save energy, without needing a separate outdoor-rated dimmer enclosure.
Can the HLG-240H-20B power 20V LED landscape or pathway lighting?
Yes. The IP67 rating, -40°C to +90°C operating range, and 240W output make it well suited for landscape installations where the driver may be buried in a junction box or exposed to ground-level moisture. The dimming capability lets you lower brightness during off-peak hours.
How many meters of 20V LED strip can the HLG-240H-20B support?
Divide 240W by your strip's rated wattage per meter. For example, a strip rated at 12W/m would allow 20 meters (240W / 12W per meter = 20m). Always check your strip's rated power per meter and keep the total load at or below 240W.
Can the HLG-240H-20B survive being installed in a wet underground junction box?
Yes. Its IP67 rating protects against complete dust ingress and temporary submersion in water up to 1 meter deep. It can be installed in underground vaults or wet junction boxes where occasional flooding occurs. The aluminium casing and -40°C to +90°C operating range add further durability.
What are the differences between the HLG-240H-20, 20A, 20AB, and 20B models?
All four deliver 240W at 20V / 12A. The base HLG-240H-20 has fixed output with IP67 waterproof rating. The -20A adds output adjustment via potentiometer but drops to IP65. The -20AB adds both adjustment and 1-10V/PWM dimming at IP65. The -20B (this model) provides dimming input while retaining the full IP67 waterproof rating.
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-240H Models
7 other models| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well HLG-240H-24 Power Supply 240W 24V | 240W | 24V | 10A | IP67 | $72.97 | View |
| Mean Well HLG-240H-12A Power Supply 192W 12V - Adjustable | 192W | 12V | 16A | IP65 | $59.00 | View |
| Mean Well HLG-240H-12 Power Supply 192W 12V | 192W | 12V | 16A | IP67 | $62.47 | View |
| Mean Well HLG-240H-48A Power Supply 240W 48V - Adjustable | 240W | 48V | 5A | IP65 | $72.97 | View |
| Mean Well HLG-240H-42B Power Supply 240W 42V- Dimmable | 240W | 42V | 5.72A | IP67 | $64.45 | View |
| Mean Well HLG-240H-42A Power Supply 240W 42V - Adjustable | 240W | 42V | 5.72A | IP65 | $72.81 | View |
| Mean Well HLG-240H-24A Power Supply 240W 24V - Adjustable | 240W | 24V | 10A | IP65 | $60.50 | View |
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.
