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Meanwell NPF-40 power supply

From 25.47€ *
Net price: 21.40€

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  • NPF-40-12-0
  • NPF-40-12-0
  • 0.54 kg
  • MEAN WELL
Meanwell NPF-40-xx "type" Power supply of Meanwell NPF-40 has a 40W single output and an... more

Meanwell NPF-40-xx "type"

Power supply of Meanwell NPF-40 has a 40W single output and an integrated active PFC function. The power supply operate with input voltage 90 to 305 V AC and has a very short setup time of <500 ms.This LED power supply is ideal for energy saving. The product offers higher efficiency, lower power loss and compliance with the latest international lighting regulations.

Due to the rugged design and high protection against dust and moisture, it can be used in many indoor and outdoor LED applications.
This LED power supply provides a constant current, constant voltage or a combination of constant voltage and current with fixed or adjustable values.

Thus, the Meanwell NPF-40 LED switching power supply is ideal e.g. in version -12 for the operation of 12V lamps, such as low-voltage LED spotlights MR16 / GU5.3 or MR11, as well as LED stripes. Up to a power of 40W, several lamps can be connected to a single transformer. Cost savings!


Model Codierung NPF-40

NPF-40 Codierung

NPF-40 Features (type dependent):

5 years manufacturer guarantee
• Type NPF for use according to Class II
• Universal AC input up to 305V AC
• Overload protection by current limiting, auto recovery
• Integrated PFC circuit
• Low idle power
• Plastic housing
• Self Cooling by free air convectiond (temperature protection)
• Protection against short circuit, overvoltage and overload (temperature protection)
• IP67 protection for outdoor installation
• LED lighting, especially street lighting


Meanwell NPF power supplies are also available as a NPF-40D variant. This power supply is distinguished by its 3 in 1 dimming function (external voltage 1 to 10 Volt DC, PWM, potentiometer).

For more information about dimming via DALI and PWM, please refer to this article:
DALI PWM solution for dimming of LED technology

Technical data for the Meanwell power supply NPF:

Model switching power supply
Rated Power 40,08 - 41,04 W (voltage depending, see datasheet)
Input voltage 90 - 305 VAC / 127 - 431 VDC
Output and operating parameters See data sheet
Frequency range 47 - 63 Hz
Efficiency 90%
Switch on current Max. 50 A at 230 VAC
Temperature range -40 ... + 70 ° C
Dimensions 150mm x 53mm x 35mm (H x W x D)

On request, we also offer type and voltage ranges.
Related links to "Meanwell NPF-40 power supply"
Meanwell NPF series With a universal AC/DC input right up to 305V AC is the NPF-40 also... more
Features of the product family. Details on variants can be found in the description.
Constant Voltage: 12V, 24V
Constant Current: 1A - 2,4A, 800mA, 850mA, 900mA, 950mA, 1A, 1,05A, 1,2A, 1,4A, 1,6A, 1,75A, 2,1A, 2,4A
Dimmable/Control: Switchable On/off, PWM
Power: 40W
Datasheet Meanwell NPF-40D
Datasheet Meanwell NPF-40
Meanwell Installation Manual
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Customer evaluation for "Meanwell NPF-40 power supply"
17 Mar 2020

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