What dimming interfaces does the NPF-40D-54 support?

The NPF-40D-54 has built-in 3-in-1 dimming: PWM signal, 1–10V analog, and resistance (potentiometer) control. All three are integrated into the driver without any external modules, covering the most widely deployed lighting control protocols.

Is the NPF-40D-54 suitable for outdoor or wet-location installations?

Yes. The NPF-40D-54 is IP67 rated and operates from -40°C to +85°C. Its compact 150.0 × 53.0 × 35.0 mm sealed housing can be mounted directly in outdoor compact fixtures, landscape or architectural lighting, and damp industrial enclosures.

What LED applications suit the NPF-40D-54's 54V dimmable output?

The NPF-40D-54 supplies 54V DC at 0.76A (41.04W) in constant-current mode (CC range 32–54V) with 3-in-1 dimming. It is appropriate for compact dimmable 54V LED modules in small commercial accent fixtures, display lighting with 1–10V scene controllers, and low-power architectural installations where 54V constant-current drive and brightness adjustment are specified.

How does the NPF-40D-54 compare to the non-dimmable NPF-40-54?

Both output 54V at 0.76A (41.04W) with IP67, the same 150.0 × 53.0 × 35.0 mm housing, and 0.49 kg weight. The NPF-40D-54 adds 3-in-1 dimming (PWM, 1–10V, resistance) that the NPF-40-54 lacks. For fixed-brightness 54V applications the NPF-40-54 is the simpler option; use the NPF-40D-54 when dimming control is required.

Image shown is a representation only. Exact specifications should be obtained from the product datasheet.

Mean Well

Mean Well NPF-40D-54 Power Supply 40W 54V - Dimmable

Name: Mean Well NPF-40D-54 Power Supply 40W 54V - Dimmable
Brand: Mean Well
SKU: NPF-40D-54
Price: 30.15 USD
Availability: InStock

fully isolated plastic caseIP67Class II design without FGbuilt-in 3 in 1 dimming

SKU:

NPF-40D-54

$30.15 USD ~~$103.50~~

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The NPF-40D is a 40W Mean Well DIN rail power converter with a 150mm profile (input range: 90~305VAC, operating temperature: -40~+80℃).

Key Features

✓ 150mm width — DIN rail TS-35 compatible
✓ Input voltage range: 90~305VAC
✓ 3.75KVAC reinforced I/O isolation
✓ Wide operating temperature: -40~+80℃
✓ Protections: Short circuit / Over voltage / Over temperature
✓ Active PFC — meets international energy efficiency regulations
✓ Safety approvals: UL8750(type”HL”), CSA C22.2 No. 250.13-12, ENEC EN61347-1, EN61347-2-13, EN62384 independent, IP67
✓ 3 years warranty

Brand

Mean Well
Series

NPF Series
Power Rating

41.04 Watt
Output Voltage

54 Volt
Rated Current

0.76 Ampere
Input Voltage

90V~305V
No of Output

1
Dimming Control

0-10V,10V PWM,Resistance
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-40D-48 Power Supply 40W 48V - Dimmable	40.32W	48V	0.84A	IP67	$30.15	View
Mean Well NPF-40D-42 Power Supply 40W 42V - Dimmable	40.32W	42V	0.96A	IP67	$30.15	View
Mean Well NPF-40D-36 Power Supply 40W 36V - Dimmable	40.32W	36V	1.12A	IP67	$28.40	View
Mean Well NPF-40D-30 Power Supply 40W 30V - Dimmable	40.2W	30V	1.34A	IP67	$30.15	View
Mean Well NPF-40D-24 Power Supply 40W 24V - Dimmable	40.08W	24V	1.67A	IP67	$30.15	View
Mean Well NPF-40D-20 Power Supply 40W 20V - Dimmable	40W	20V	2A	IP67	$26.54	View
Mean Well NPF-40D-15 Power Supply 40W 15V - Dimmable	40.08W	15V	2.67A	IP67	$28.40	View
Mean Well NPF-40D-12 Power Supply 40W 12V - Dimmable	40.08W	12V	3.34A	IP67	$30.15	View

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