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Mean Well NPF-40D-30 Power Supply 40W 30V - Dimmable

Q: What dimming methods does the NPF-40D-30 support?

The NPF-40D-30 includes built-in 3-in-1 dimming: PWM signal, 1–10V analog, and resistance (potentiometer) control. These three interfaces are built in without requiring external dimming adapters.

Q: Is the NPF-40D-30 rated for outdoor or wet environments?

Yes. The NPF-40D-30 is IP67 rated and operates from -40°C to +85°C. Its 150.0 × 53.0 × 35.0 mm sealed housing can be installed directly in outdoor landscape fixtures, damp horticultural enclosures, and industrial cabinets with moisture exposure.

Q: What LED applications suit the NPF-40D-30's 30V dimmable output at 40W?

The NPF-40D-30 outputs 30V DC at 1.34A (40.2W) in constant-current mode (CC range 18–30V) with 3-in-1 dimming. It suits compact dimmable 30V LED modules in architectural accent lighting, small commercial display fixtures, and horticultural systems where PWM or 1–10V scene control is required at low wattage.

Q: How does the NPF-40D-30 compare to the NPF-40D-24 and NPF-40D-36?

All three share IP67, 3-in-1 dimming, the 150.0 × 53.0 × 35.0 mm housing, and 0.49 kg weight. NPF-40D-24 is 24V/1.67A (40.08W, CC 14–24V); NPF-40D-30 is 30V/1.34A (40.2W, CC 18–30V); NPF-40D-36 is 36V/1.12A (40.32W, CC 21–36V). Select the model matching your LED module's rated voltage.

fully isolated plastic case, IP67, Class II design without FG, built-in 3 in 1 dimming

SKU:

NPF-40D-30

Model

40W 30V

$28.04 USD

SKU: NPF-40-30

40W 30V Dimmable

$30.15 USD

SKU: NPF-40D-30

60W 30V

$30.47 USD

SKU: NPF-60-30

60W 30V Dimmable

$30.83 USD

SKU: NPF-60D-30

90W 30V

$42.63 USD

SKU: NPF-90-30

90W 30V Dimmable

$42.58 USD

SKU: NPF-90D-30

120W 30V

$49.24 USD

SKU: NPF-120-30

120W 30V Dimmable

$47.99 USD

SKU: NPF-120D-30

Product variants

$30.15 USD

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Description

Features

Universal AC input (up to 305VAC) / Full range

Built-in active PFC function

High efficiency up to 90%

No load power consumption <0.5W

Fully isolated plastic case with IP67 level

Class 2 power unit

Isolation class II, no F.G.

Protections: Short circuit / Over current / Over voltage / Over temperature

Suitable for dry, damp, and wet location

Cooling by free air convection

5 years warranty

General Specification

AC input voltage range	90~305VAC ; 127~431VDC
AC inrush current (max.)	Cold start, 50A at 230VAC
Over current protection	95% ~108% constant current, auto-recovery
Over voltage protection	110%~140% rated output voltage
Withstand voltage	I/P - O/P: 3.75kVAC
Working temperature	-40~+85ºC (refer to output derating curve)
Safety standards	UL8750, ENEC EN61347-1, EN61347-2-13 , EN62384 independent approved; Design refer to EN60335-1
EMC standards	EN55015, EN61000-3-2 class C, EN61000-3-3, EN61000-4-2, 3, 4, 5, 6, 8,11, EN61547
Connection Input	UL rated, SJTW 18AWGx2C (30cm)
Connection Output	UL rated, UL2464 18AWGx2C (30cm) + 22AWGx2C (30cm)
Dimension (LxWxH)(mm)	150x 53x 35

Specifications

Brand

Mean Well
Series

NPF Series
Power Rating

40.2 Watt
Output Voltage

30 Volt
Rated Current

1.34 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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Frequently Asked Questions

What dimming methods does the NPF-40D-30 support?