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Mean Well HLG-240H-42B Power Supply 240W 42V- Dimmable
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Description
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
Specifications
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BrandMean Well
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SeriesHLG Series
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Power Rating240 Watt
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Output Voltage42 Volt
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Rated Current5.72 Ampere
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Input Voltage90V~305V
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No of Output1
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Dimming Control10V PWM,1-10V,Resistance
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Standards MetCB,CCC,CE,EAC,PSE,RCM,TUV,UL
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Operation ModeConstant Current,Constant Voltage
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Operating Temperature-40°C~90°C
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Warranty7 Year
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Length9.61 in
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Width2.68 in
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Height1.53 in
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Weight2.87 lb
File Downloads
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Payment & Security
Payment methods
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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.
Other HLG-240H Models
6 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 | $61.40 | View |
| Mean Well HLG-240H-48A Power Supply 240W 48V - Adjustable | 240W | 48V | 5A | IP65 | $69.84 | View |
| Mean Well HLG-240H-42A Power Supply 240W 42V - Adjustable | 240W | 42V | 5.72A | IP65 | $72.97 | View |
| Mean Well HLG-240H-24A Power Supply 240W 24V - Adjustable | 240W | 24V | 10A | IP65 | $53.81 | View |




