Mean Well HLG-150H-42A Power Supply - Adjustable | HLG Series

The HLG-150H is a 150W Mean Well AC-DC LED driver (input: 90~305VAC, output: 42V, operating temperature: -40~+90°C).

Key Features

✓ Input voltage: 90~305VAC
✓ Output voltage: 42V
✓ Rated output current: 3.6A
✓ Ingress protection: IP65
✓ Operating temperature: -40~+90°C
✓ Safety certifications: CB, CCC, CE, EAC, PSE, RCM, TÜV, UL
✓ 7 year warranty

Frequently Asked Questions

Can I use the HLG-150H-42A to fine-tune brightness on 42V LED high-bay fixtures?

Yes. The built-in potentiometer lets you adjust the output voltage and current, so you can trim the drive level to match specific 42V high-bay LEDs. The CC voltage range of 21-42V gives you flexibility to lower the output for reduced brightness without needing an external dimmer.

Is the HLG-150H-42A suitable for powering 42V LED modules in commercial signage?

Yes. At 150W and 42V it can drive LED sign modules, channel letters, or light-box arrays that operate at 42V. The adjustable output is useful for matching the driver precisely to your module string voltage, and the wide 90-305VAC input handles most commercial mains supplies.

Can the HLG-150H-42A drive 42V LED grow lights in a greenhouse?

Yes. The 150W at 42V output is suitable for medium-power horticultural LED panels. The adjustable output allows you to dial in the exact current your grow light requires within the 21-42V CC range. Its IP65 rating protects against water jets and dust typical in greenhouse environments.

How many meters of 42V LED strip can the HLG-150H-42A support?

The HLG-150H-42A delivers up to 150W at 42V. Divide 150 by your strip's wattage per meter to find the maximum length. A strip rated at 12W/m, for example, could run up to 12.5 meters (150W / 12W per meter). Always check your strip's rated power per meter before sizing.

Is the HLG-150H-42A suitable for a covered outdoor patio or canopy installation?

Yes. Its IP65 water-resistant rating protects against low-pressure water jets and dust ingress, which is more than adequate for covered patios, canopies, or soffits. For fully exposed rain installations without any overhead cover, the IP67-rated HLG-150H-42 base model is a better fit.

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Model	Power	Voltage	Current	IP Rating
Mean Well HLG-150H-48 Power Supply 150W 48V 3.2A	150W	48V	3.2A	IP67	View
Mean Well HLG-150H-48B Power Supply 150W 48V- Dimmable 3.2A	150W	48V	3.2A	IP67	View
Mean Well HLG-150H-24 Power Supply 150W 24V 6.3A	150W	24V	6.3A	IP67	View
Mean Well HLG-150H-15A Power Supply 150W 15V - Adjustable 10A	150W	15V	10A	IP65	View
Mean Well HLG-150H-12 Power Supply 150W 12V 12.5A	150W	12V	12.5A	IP67	View
Mean Well HLG-150H-48A Power Supply 150W 48V - Adjustable 3.2A	150W	48V	3.2A	IP65	View
Mean Well HLG-150H-24A Power Supply 150W 24V - Adjustable 6.3A	150W	24V	6.3A	IP65	View
Mean Well HLG-150H-12A Power Supply 150W 12V - Adjustable 12.5A	150W	12V	12.5A	IP65	View
Mean Well S-HLG-150H-24 Power Supply 150W 24V with AU/NZ plug 6.3A	150W	24V	6.3A	IP67	View

Customer reviews

4.9 Reviews verified for authenticity

5 ★ (19)

4 ★ (2)

3 ★ (0)

2 ★ (0)

1 ★ (0)

Reviewed by 21 customers across the HLG series

Best outdoor driver we use
By Hemi K.|2026-06-22✓ Verified Buyer
Model: HLG-240H-24Quantity: 6
HLG-240H-24 is IP67 and just keeps going. Powering a car-park flood install, 8 months no issues.
Premium, worth it
By Bright Spark|2026-06-01✓ Verified Buyer
Model: HLG-185H-24Quantity: 4
Built-in PFC, runs cool, DALI option on the B model. Our go-to.
Flawless
By Olivia D.|2026-05-09✓ Verified Buyer
Model: HLG-320H-48Quantity: 2
Drove a 48V architectural run for months, dead silent.

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Key Features

✓ Input voltage: 90~305VAC

✓ Output voltage: 42V

✓ Rated output current: 3.6A

✓ Ingress protection: IP65

✓ Operating temperature: -40~+90°C

✓ Safety certifications: CB, CCC, CE, EAC, PSE, RCM, TÜV, UL

✓ 7 year warranty

Mean Well HLG-150H-42A Power Supply 150W 42V - Adjustable 3.6A

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Mean Well HLG-150H-42A Power Supply 150W 42V - Adjustable 3.6A

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