HLG-40H-48B - Power Supply Mean Well - Free user manual and instructions
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| Product Type | LED Power Supply / Driver |
| Brand | Mean Well |
| Model | HLG-40H-48B |
| Input Voltage | 90-305V AC |
| Output Voltage | 48V DC |
| Output Current | 0.84A maximum |
| Rated Power | 40W |
| Efficiency | Up to 90% |
| IP Rating | IP65 |
| Dimensions | 160 x 62 x 35 mm |
| Weight | 0.7 kg |
| Protections | Short circuit, over voltage, over temperature |
| Cooling | Free air convection |
| Adjustable Output | Built-in potentiometer for output adjustment |
| Operating Temperature | -40°C to +70°C |
| Applications | LED lighting, industrial equipment, signage |
| Installation | Screw terminals with mounting bracket |
| Maintenance | Wipe with dry cloth; check terminal connections regularly |
| Safety Compliance | UL/CUL, TUV, CE, ENEC |
| Spare Parts and Repairability | Not user-serviceable; contact authorized service center for repair |
Frequently Asked Questions - HLG-40H-48B Mean Well
What is the output voltage of the HLG-40H-48B?
The HLG-40H-48B provides a 48V DC output, ideal for LED lighting and other applications requiring a stable voltage.
How do I connect the input wires?
Connect the AC input wires to the L (live) and N (neutral) terminals on the power supply. Ensure the power is off before making connections.
Can this power supply be dimmed?
The HLG-40H-48B supports dimming via the built-in potentiometer. This allows you to adjust the output voltage or current within specified ranges.
Is the HLG-40H-48B waterproof?
Yes, it has an IP65 rating, meaning it is protected against dust and low-pressure water jets, making it suitable for outdoor installations.
What is the recommended wiring size?
For input and output connections, use AWG 18-16 wire (0.75-1.0 mm²) or as specified in the manual. Ensure proper tightening torque to avoid loose connections.
Does it have overload protection?
Yes, the HLG-40H-48B features overload protection. In case of overload, the output power is limited, and the unit automatically recovers once the fault is removed.
Can I use it for outdoor lighting?
Absolutely. The IP65 enclosure allows safe outdoor use, and the wide input voltage range makes it versatile for various weather conditions.
What is the operating temperature range?
The operating temperature range is -40°C to +70°C. However, the output power may need to be derated at higher temperatures to avoid overheating.
How do I adjust the output voltage or current?
Use a small screwdriver to turn the potentiometer located on the top of the unit. Turn clockwise to increase, counterclockwise to decrease. Always monitor the output to avoid exceeding the rated specifications.
What is the warranty period?
Mean Well provides a 5-year warranty for the HLG-40H series power supplies, covering manufacturing defects under normal use.
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USER MANUAL HLG-40H-48B Mean Well
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Product information
Brand : Mean Well
Model : HLG-40H-48B
Category : Power Supply