Mean Well HLG-240H-42 Power Supply 240W 42V | HLG Series LED Driver

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

Frequently Asked Questions

Can I use the HLG-240H-42 to power 42V LED grow light panels?

Yes. The HLG-240H-42 provides 240W at 42V and 5.72A in constant-current mode, which suits many 42V LED grow light boards and quantum board arrays. The CC voltage range of 21-42V ensures stable current delivery as LED forward voltage shifts with temperature during operation.

Is the HLG-240H-42 suitable for outdoor 42V LED flood lighting?

Yes. With an IP67 waterproof rating and -40°C to +90°C operating temperature range, it handles fully exposed outdoor installations. At 240W and 42V, it can power LED flood or area lights used on building exteriors, parking structures, or sports courts.

Can the HLG-240H-42 drive 42V LED modules in outdoor commercial signage?

Yes. The 240W capacity at 42V with 5.72A output can power substantial arrays of 42V LED modules for channel letters, cabinet signs, or pylons. The IP67 waterproof rating ensures reliable operation in rain-exposed sign enclosures year-round.

Is the HLG-240H-42 a fixed-output driver with no dimming?

Yes. The base HLG-240H-42 (no letter suffix) has a fixed 42V output with no built-in potentiometer adjustment or dimming input. If you need output trimming, choose the -42A. For dimming via 1-10V/PWM, choose the -42B or -42AB variant.

How many meters of 42V LED strip can the HLG-240H-42 power?

Divide 240W by your strip's power consumption per meter. For example, a 42V strip rated at 16W/m would allow 15 meters (240W / 16W per meter = 15m). Always check your specific strip's rated power per meter and keep the total load at or below 240W.

Can the HLG-240H-42 be installed in a wet or rain-exposed location?

Yes. The IP67 rating means it is dust-tight and protected against temporary submersion up to 1 meter. It can be mounted outdoors in fully exposed conditions, including rain, snow, and high-humidity coastal areas. The aluminium casing resists corrosion and provides effective heat dissipation.

Payment & Security

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Model	Power	Voltage	Current	IP Rating
Mean Well S-HLG-240H-24 Power Supply 240W 24V with AU/NZ plug 10A	240W	24V	10A	IP67	View
Mean Well HLG-240H-48A Power Supply 240W 48V - Adjustable 5A	240W	48V	5A	IP65	View
Mean Well HLG-240H-48 Power Supply 240W 48V 5A	240W	48V	5A	IP67	View
Mean Well HLG-240H-24A Power Supply 240W 24V - Adjustable 10A	240W	24V	10A	IP65	View
Mean Well S-HLG-240H-12 Power Supply 192W 12V with AU/NZ plug 16A	192W	12V	16A	IP67	View
Mean Well HLG-240H-24B Power Supply 240W 24V- Dimmable 10A	240W	24V	10A	IP67	View
Mean Well HLG-240H-12A Power Supply 192W 12V - Adjustable 16A	192W	12V	16A	IP65	View
Mean Well HLG-240H-36A Power Supply 240W 36V - Adjustable 6.7A	240W	36V	6.7A	IP65	View
Mean Well HLG-240H-30A Power Supply 240W 30V - Adjustable 8A	240W	30V	8A	IP65	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 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

Mean Well HLG-240H-42 Power Supply 240W 42V 5.72A

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Mean Well HLG-240H-42 Power Supply 240W 42V 5.72A

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