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Mean Well HLG-240H-42B Power Supply 240W 42V- Dimmable

premium quality, 7 years warranty, aluminium casing, high efficiency
SKU:
HLG-240H-42B

Model
$74.91 USD
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Description

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

Specifications

  • Brand
    Mean Well
  • Series
    HLG Series
  • Power Rating
    240 Watt
  • Output Voltage
    42 Volt
  • Rated Current
    5.72 Ampere
  • Input Voltage
    90V~305V
  • No of Output
    1
  • Dimming Control
    10V PWM,1-10V,Resistance
  • Standards Met
    CB,CCC,CE,EAC,PSE,RCM,TUV,UL
  • Operation Mode
    Constant Current,Constant Voltage
  • Operating Temperature
    -40°C~90°C
  • Warranty
    7 Year
  • Length
    9.61 in
  • Width
    2.68 in
  • Height
    1.53 in
  • Weight
    2.87 lb

File Downloads

::specification::

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Frequently Asked Questions

Can I use the HLG-240H-42B for dimmable 42V outdoor LED flood lighting?

Yes. The HLG-240H-42B delivers 240W at 42V with a dimming input for 1-10V or PWM signals. Its IP67 waterproof rating makes it suitable for fully exposed outdoor flood, area, or security lighting where you want brightness control from a central dimming system.

Is the HLG-240H-42B suitable for 42V LED grow lights with automated dimming schedules?

Yes. The B suffix provides a dimming input that accepts 1-10V or PWM control signals, allowing automated light-cycle management from a grow room controller or timer. At 240W and 42V with a CC range of 21-42V, it pairs well with quantum boards and COB LED arrays that use a 42V drive voltage.

Can the HLG-240H-42B power 42V LED strips for an outdoor boardwalk or pier?

Yes. The IP67 waterproof rating and -40°C to +90°C operating range make it well suited for marine-adjacent and fully exposed coastal environments. The 240W at 42V capacity handles long runs of 42V strip, and the dimming input lets you control brightness for evening ambiance.

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

Divide 240W by your strip's power draw per meter. For a strip rated at 15W/m, that allows 16 meters (240W / 15W per meter = 16m). For a higher-output strip at 20W/m, you get 12 meters. Always check your strip's rated power per meter and stay within the 240W maximum.

Can the HLG-240H-42B withstand permanent outdoor installation in tropical climates?

Yes. The IP67 waterproof rating seals against dust and temporary submersion, and the operating temperature range of -40°C to +90°C covers tropical heat and humidity. The aluminium casing provides corrosion resistance and efficient heat dissipation in high-ambient-temperature environments.

Does the HLG-240H-42B need additional weatherproofing if mounted on an exterior wall?

No. The IP67 rating means the enclosure is dust-tight and withstands temporary immersion up to 1 meter. It is designed for outdoor use without an additional enclosure. However, orienting the cable glands downward and avoiding pooling water around connectors will maximize long-term reliability.

Mean Well HLG Series LED Power Supply 42V (185~600W) -  - powersupplymall.com
Mean Well

Mean Well HLG-240H-42B Power Supply 240W 42V- Dimmable

$74.91 USD

The HLG-240H is a 240W Mean Well power converter (input range: 90~305VAC).

Key Features

Model

  • 185W 42V
  • 185W 42V Adjustable
  • 185W 42V Adjustable and Dimmable
  • 185W 42V Dimmable
  • 240W 42V
  • 240W 42V Adjustable
  • 240W 42V Adjustable and Dimmable
  • 240W 42V Dimmable
  • 320W 42V
  • 320W 42V Adjustable
  • 320W 42V Adjustable and Dimmable
  • 320W 42V Dimmable
  • 480W 42V
  • 480W 42V Adjustable
  • 480W 42V Adjustable and Dimmable
  • 480W 42V Dimmable
  • 600W 42V
  • 600W 42V Adjustable
  • 600W 42V Adjustable and Dimmable
  • 600W 42V Dimmable
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