Over 15 years experience of providing support of MEAN WELL Power Supplies
Description
Description
The LPF-40 is a 40W Mean Well power converter (input range: 90~305VAC).
Key Features
- ✓ Input voltage range: 90~305VAC
- ✓ 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: Note.8 SAFETY & EMC
- ✓ 3 years warranty
Specifications
Specifications
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BrandMean Well
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SeriesLPF Series
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Power Rating41.04 Watt
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Output Voltage54 Volt
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Rated Current0.76 Ampere
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Input Voltage90V~305V
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Standards MetCB,CE,EAC,ENEC,PSE,TUV,UL
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Operation ModeConstant Current,Constant Voltage
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Operating Temperature-40°C~80°C
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Warranty5 Year
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Length16.25 cm
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Width4.3 cm
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Height3.2 cm
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Weight0.44 kg
File Downloads
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Payment & Security
Payment methods
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Frequently Asked Questions
Can I use the LPF-40-54 for a 54V LED lighting load?
Yes, if the load is designed for 54V constant-current operation and falls within the 32-54V constant-current range. The LPF-40-54 delivers up to 41.04W at 54V and 0.76A.
Is the LPF-40-54 suitable for 54V signage or linear light applications?
It can be used where the sign or linear fixture is a 54V constant-current load within 0.76A and 41.04W. Its IP67 waterproof construction also supports use in exposed lighting locations.
Can this model power a 54V LED strip?
Only if the strip is built for 54V constant-current operation rather than constant-voltage operation. This driver is limited to 41.04W total output at 54V and 0.76A.
How much 54V LED strip can I run from the LPF-40-54?
The maximum output power is 41.04W. Estimated strip length = 41.04W divided by your strip’s rated watts per meter, so check your strip rated power per meter before calculating the final length.
Can the LPF-40-54 be used outdoors or in wet conditions?
Yes, this driver has an IP67 Waterproof rating, so it is intended for wet and outdoor conditions where that enclosure level is needed. Its operating temperature range is -40°C to +80°C.
What are the 54V options in the LPF family?
The 54V series options are LPF-16-54 at 16.2W and 0.3A, LPF-25-54 at 25.38W and 0.47A, LPF-40-54 at 41.04W and 0.76A, LPF-60-54 at 60.48W and 1.12A, and LPF-90-54 at 90.18W and 1.67A. Dimmable siblings are LPF-16D-54, LPF-25D-54, LPF-40D-54, LPF-60D-54, and LPF-90D-54 with the same listed voltage and output ratings.
Other LPF-40 Models
2 other models| Model | Power | Voltage | Current | IP Rating | |
|---|---|---|---|---|---|
| Mean Well LPF-40-24 Power Supply 40W 24V | 40.08W | 24V | 1.67A | IP67 | View |
| Mean Well LPF-40-48 Power Supply 40W 48V | 40.32W | 48V | 0.84A | IP67 | View |




