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-320H-42A Power Supply 320W 42V - Adjustable
The HLG-320H is a 320W 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
- ✓ Safety approvals: SAFETY & EMC
- ✓ 3 years warranty
-
BrandMean Well
-
SeriesHLG Series
-
Power Rating320 Watt
-
Output Voltage42 Volt
-
Rated Current7.65 Ampere
-
Input Voltage90V~305V
-
No of Output1
-
Dimming ControlBuilt-in Potentiometer
-
Standards MetCB,CCC,CE,EAC,PSE,RCM,TUV,UL
-
Operation ModeConstant Current,Constant Voltage
-
Operating Temperature-40°C~90°C
-
Warranty7 Year
-
Length9.92 in
-
Width3.54 in
-
Height1.72 in
-
Weight4.14 lb
::specification::
Frequently Asked Questions
Can I use the HLG-320H-42A for 42V LED horticultural or grow light applications?
Yes. The adjustable output lets you fine-tune current delivery within the 21-42V constant-current range to match your grow light panels. At 320W, it can power substantial LED horticultural arrays. Its wide 90-305VAC input accommodates different facility power configurations.
Is the HLG-320H-42A suitable for powering 42V LED architectural facade lighting?
It works well for facade lighting where the load requires voltage or current adjustment. The built-in potentiometer allows optimization for specific LED fixtures, and 320W handles large architectural lighting runs. Mount the driver in a sheltered enclosure to respect the IP65 rating.
Can I use the HLG-320H-42A for a 42V LED panel array in a commercial space?
Yes. The adjustable output is especially useful when driving multiple 42V LED panels that may have slightly different characteristics. At 320W output, it supports large panel arrays for offices, retail, or exhibition spaces. The wide 90-305VAC input also simplifies installation in different countries.
How many meters of 42V LED strip can the HLG-320H-42A handle?
The HLG-320H-42A provides up to 320W at 42V. Divide 320W by your strip's rated wattage per meter. For instance, a strip at 14W/m would allow about 22.8 meters (320W / 14W per meter). Always verify your strip's rated power per meter and keep total load within 320W.
Is the HLG-320H-42A suitable for a semi-exposed outdoor mounting location?
Its IP65 water-resistant rating protects against dust and low-pressure water jets, making it suitable for semi-exposed locations like covered patios, equipment closets, or ventilated outdoor enclosures. For fully exposed outdoor installations where submersion is possible, consider the IP67-rated HLG-320H-42 or -42B.
What does the 'A' suffix mean on the HLG-320H-42A compared to the base HLG-320H-42?
The 'A' suffix indicates a built-in potentiometer for adjusting output voltage and current. The base HLG-320H-42 has fixed output and IP67 waterproof rating. The -42A drops to IP65 water-resistant but gains the ability to fine-tune output within the 21-42V constant-current range. Both deliver the same 320W, 42V, 7.65A at default settings.
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-320H Models
8 other models| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well HLG-320H-24 Power Supply 320W 24V | 320W | 24V | 13.34A | IP67 | $81.83 | View |
| Mean Well HLG-320H-12 Power Supply 264W 12V | 264W | 12V | 22A | IP67 | $78.41 | View |
| Mean Well HLG-320H-24B Power Supply 320W 24V- Dimmable | 320W | 24V | 13.34A | IP67 | $81.04 | View |
| Mean Well HLG-320H-12A Power Supply 264W 12V - Adjustable | 264W | 12V | 22A | IP65 | $82.04 | View |
| Mean Well HLG-320H-24A Power Supply 320W 24V - Adjustable | 320W | 24V | 13.34A | IP65 | $93.02 | View |
| Mean Well HLG-320H-48B Power Supply 320W 48V- Dimmable | 320W | 48V | 6.7A | IP67 | $81.04 | View |
| Mean Well HLG-320H-54A Power Supply 320W 54V - Adjustable | 320W | 54V | 5.95A | IP65 | $99.33 | View |
| Mean Well HLG-320H-42B Power Supply 320W 42V- Dimmable | 320W | 42V | 7.65A | IP67 | $96.14 | View |
