Over 15 years experience of providing support of MEAN WELL Power Supplies
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Mean Well PM-20-5 Power Supply 20W 5V
The PM-20 is a 20W Mean Well power converter (input range: 85~264VAC).
Key Features
- ✓ Input voltage range: 85~264VAC
- ✓ 4KVAC reinforced I/O isolation
- ✓ Protections: Overload / Over voltage
- ✓ Safety approvals: ISOLATION LEVEL SAFETY &
- ✓ 3 years warranty
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BrandMean Well
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SeriesPM Series
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Power Rating22 Watt
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Output Voltage5 Volt
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Rated Current4.4 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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Length3.7 in
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Width2.2 in
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Height0.89 in
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Weight0.4 lb
::specification::
Frequently Asked Questions
Can I use the PM-20-5 for a 5V PLC accessory, controller, or embedded computing load?
Yes, this is a constant voltage 5V power supply rated for 4.4A and 22W. It fits 5V industrial controllers, embedded computing boards, and automation peripherals that require a regulated 5V source within that output range.
Is the PM-20-5 suitable for powering several 5V USB-class or logic-level devices inside one machine?
It can support multiple 5V devices as long as the combined load does not exceed 4.4A or 22W. That makes it suitable for grouped 5V logic hardware, interface modules, and embedded accessories using a shared constant voltage rail.
Can this model be used for 5V HMI, gateway, or communications hardware in an automation panel?
Yes, the regulated 5V output and 4.4A current rating make it suitable for 5V HMI electronics, communications hardware, and automation support devices that stay within 22W. The 85-264VAC input range also supports use across a wide AC input range.
How does the PM-20-5 compare with the other 5V models in the PM series?
Among the listed 5V PM models, PM-05-5 is 5W at 1A, PM-10-5 is 10W at 2A, PM-15-5 is 15W at 3A, and PM-20-5 is 22W at 4.4A. If you need the highest 5V output in this sibling set, the PM-20-5 is the largest option shown.
Is the PM-20-5 intended for outdoor or harsh exposed environments?
The operating temperature range is -20°C to +60°C, which supports a broad range of indoor equipment conditions. No IP rating is listed in the provided specs, so the product data does not identify it as an outdoor or water-exposed power supply.
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Other PM-20 Models
4 other models| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well PM-20-12 Power Supply 20W 12V | 21.6W | 12V | 1.8A | Indoor | $30.00 | View |
| Mean Well PM-20-15 On Board Switching Power Supply | 21W | 15V | 1.4A | Indoor | $17.43 | View |
| Mean Well PM-20-3.3 Power Supply 20W 3.3V | 14.85W | 3.3V | 4.5A | Indoor | $29.01 | View |
| Mean Well PM-20-24 Power Supply 20W 24V | 22.08W | 24V | 0.92A | Indoor | $30.00 | View |
