HLN-40H-54A - LED Power Supply Mean Well - Free user manual and instructions
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| Product Type | LED Power Supply |
| Brand | Mean Well |
| Model | HLN-40H-54A |
| Input Voltage | 90~264VAC (full range) |
| Output Voltage | 54V DC |
| Output Current | 0.74A (max) |
| Power Rating | 40W |
| Efficiency | >87% at full load |
| Dimensions (LxWxH) | 150 x 40 x 30 mm |
| Weight | 0.25 kg |
| IP Rating | IP65 |
| Cooling | Free air convection |
| Protection | Short circuit, over voltage, over load, over temperature |
| Operating Temperature | -20°C ~ +60°C |
| MTBF | ≥500,000 hours at 25°C |
| Dimmable | Yes (0-10V/PWM/Resistor) |
| Warranty | 5 years |
| Certifications | UL/CUL, CE, CB, ENEC |
| Installation Environment | Dry or damp locations |
| Maintenance | Wipe with dry cloth; do not expose to water |
| Reparability | Non-repairable; replace unit if faulty |
Frequently Asked Questions - HLN-40H-54A Mean Well
What is the output voltage of the HLN-40H-54A?
The output voltage is 54V DC constant.
Can this LED driver be used for dimming?
Yes, it supports 0-10V, PWM, or resistor dimming methods.
What is the input voltage range?
The input voltage range is 90~264VAC (full range), suitable for global use.
Is the HLN-40H-54A suitable for outdoor use?
Yes, it has an IP65 rating, making it dust-tight and protected against water jets.
How do I connect the wires?
Connect input to terminals L (live), N (neutral), and GND (ground). Output is +V (positive) and -V (negative). Ensure polarity is correct.
What is the maximum load I can connect?
The maximum output power is 40W. Ensure your LED load does not exceed this value.
Does the driver have over voltage protection?
Yes, it includes protection against short circuit, over voltage, over load, and over temperature.
What is the typical lifespan of this driver?
The mean time between failures (MTBF) is ≥500,000 hours at 25°C, ensuring long service life.
Can I use this driver with constant current LEDs?
Yes, the HLN-40H-54A operates in constant current mode, ideal for LED strips and modules.
What should I do if the driver does not power on?
Check input voltage with a multimeter, verify connections, and ensure the load is not shorted. If still not working, replace the driver.
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