Over 15 years experience of providing support of MEAN WELL Power Supplies
AC-DC Single output Medical Open frame power supply; Output 12Vdc at 4.4A; NFM-20-12 is succeeded by MFM-20-12
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BrandMean Well
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SeriesNFM Series
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Power Rating21.6 Watt
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Output Voltage12 Volt
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Rated Current1.8 Ampere
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Input Voltage85V~264V
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No of Output1
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Dimming ControlNone
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Standards MetCB,CE,EAC,TUV,UL
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Operation ModeConstant Voltage
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Operating Temperature-20°C~60°C
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Warranty3 Year
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Length3.5 in
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Width2.01 in
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Height0.76 in
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Weight0.2 lb
::specification::
Frequently Asked Questions
Can I use the NFM-20-12 for a 12V PLC accessory or industrial control module?
It delivers constant 12V output up to 1.8A with a 21.6W rating. That suits small 12V automation electronics, control accessories, and similar DC loads that stay within those limits.
Is the NFM-20-12 suitable for 12V sensors, relays, or monitoring equipment?
Yes, if the connected 12V load requires no more than 1.8A. Its constant-voltage output is intended for electronics that need a stable 12V rail rather than a constant-current source.
Can this model power 12V embedded or IT hardware inside a compact device?
It can fit 12V embedded equipment that remains within 21.6W and 1.8A. The 85-264VAC input range also supports deployments where AC mains may vary from site to site.
Is the NFM-20-12 suitable for outdoor use or wide-temperature indoor equipment?
The specified operating range is -20°C to +60°C, which defines its temperature capability for equipment operation. No IP rating is listed in the provided specs, so outdoor or sealed-enclosure suitability is not confirmed by the data here.
How does the NFM-20-12 compare to the rest of the NFM series?
For 12V options in the provided sibling list, NFM-05-12 is 5.04W at 12V and 0.42A, NFM-10-12 is 10.2W at 12V and 0.85A, NFM-15-12 is 15W at 12V and 1.25A, and this NFM-20-12 is 21.6W at 12V and 1.8A. Other siblings listed are NFM-05-3.3 at 4.125W, 3.3V, 1.25A; NFM-05-5 at 5W, 5V, 1A; NFM-05-15 at 4.95W, 15V, 0.33A; NFM-05-24 at 5.52W, 24V, 0.23A; NFM-10-3.3 at 8.25W, 3.3V, 2.5A; NFM-10-5 at 10W, 5V, 2A; NFM-10-15 at 10.05W, 15V, 0.67A; NFM-10-24 at 10.08W, 24V, 0.42A; NFM-15-3.3 at 11.5W, 3.3V, 3.5A; NFM-15-5 at 15W, 5V, 3A; NFM-15-15 at 15W, 15V, 1A; NFM-15-24 at 15.12W, 24V, 0.63A; NFM-20-3.3 at 14.85W, 3.3V, 4.5A; NFM-20-5 at 22W, 5V, 4.4A; NFM-20-15 at 14.85W in the provided data; and NFM-20-24 at 22.08W, 24V, 0.92A. Within the 12V subset, this is the highest-output model listed.
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Other NFM-20 Models
3 other models| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well NFM-20-5 Power Supply 20W 5V | 22W | 5V | 4.4A | Indoor | $26.25 | View |
| Mean Well NFM-20-3.3 Power Supply 20W 3.3V | 14.85W | 3.3V | 4.5A | Indoor | $23.87 | View |
| Mean Well NFM-20-24 Power Supply 20W 24V | 22.08W | 24V | 0.92A | Indoor | $26.25 | View |




