Is the NPF-40-48 suitable for outdoor or wet-location LED use?

Yes. The NPF-40-48 is IP67 rated and operates from -40°C to +85°C. Its 150.0 × 53.0 × 35.0 mm sealed housing can be mounted inside outdoor small-format luminaires and damp industrial enclosures without supplemental weatherproofing.

What LED systems match the NPF-40-48's 48V output at 40W?

The NPF-40-48 delivers 48V DC at 0.84A (40.32W) in constant-current mode with a CC range of 28–48V. It suits compact 48V LED modules in low-power commercial downlights, architectural niche lighting, and automation panel displays that specify 48V constant-current drive at around 40W.

How does the NPF-40-48 compare to the NPF-40-54?

Both share IP67, the 150.0 × 53.0 × 35.0 mm housing, and 0.49 kg weight. NPF-40-48 outputs 48V at 0.84A (40.32W, CC range 28–48V); NPF-40-54 outputs 54V at 0.76A (41.04W, CC range 32–54V). Select based on whether your LED string is rated for 48V or 54V.

What is the warranty period on the NPF-40-48?

Mean Well provides a 5-year warranty on the NPF-40-48. The driver is also certified to CB, CCC, CE, EAC, ENEC, and UL, supporting use in commercial and industrial projects across North America, Europe, Russia/Eurasia, and China.

Mean Well NPF-40-48 Power Supply 40W 48V | Constant Voltage + Constant Current LED Driver

Name: Mean Well NPF-40-48 Power Supply 40W 48V
Brand: Mean Well
SKU: NPF-40-48
Price: 27.13 USD
Availability: InStock

The NPF-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
✓ Protections: Short circuit / Over voltage / Over temperature
✓ Active PFC — meets international energy efficiency regulations
✓ Safety approvals: Note.8 SAFETY & EMC
✓ 3 years warranty

Brand

Mean Well
Series

NPF Series
Power Rating

40.32 Watt
Output Voltage

48 Volt
Rated Current

0.84 Ampere
Input Voltage

90V~305V
No of Output

1
Dimming Control

None
Standards Met

CB,CCC,CE,EAC,ENEC,UL
Operation Mode

Constant Current,Constant Voltage
Operating Temperature

-40°C~85°C
Warranty

5 Year
Length

5.91 in
Width

2.09 in
Height

1.38 in
Weight

1.08 lb

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Model	Power	Voltage	Current	IP Rating	Price
Mean Well NPF-40-54 Power Supply 40W 54V	41.04W	54V	0.76A	IP67	$28.04	View
Mean Well NPF-40-42 Power Supply 40W 42V	40.32W	42V	0.96A	IP67	$28.04	View
Mean Well NPF-40-36 Power Supply 40W 36V	40.32W	36V	1.12A	IP67	$28.04	View
Mean Well NPF-40-30 Power Supply 40W 30V	40.2W	30V	1.34A	IP67	$28.04	View

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