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Mean Well MPT-45A Power Supply 45W 5V 12V -5V 3A
<0.75mA
Key Features
- ✓Universal AC input / Full range
- ✓Low leakage current<0.5mA
- ✓Protections: Short circuit/ Overload/ Over voltage
- ✓Cooling by free air convection
- ✓100% full load burn-in test
- ✓Fixed switching frequency at 65KHz
- ✓2 years warranty
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BrandMean Well
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SeriesMPT Series
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Power Rating40.5 Watt
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Output Voltage5 Volt
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Rated Current3 Ampere
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Input Voltage90V~264V
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No of Output3
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Dimming ControlNone
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Standards MetCB,CE,TUV,UL
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Operation ModeConstant Voltage
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Operating Temperature-10°C~60°C
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Warranty3 Year
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Length5 in
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Width2.99 in
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Height1.1 in
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Weight0.46 lb
::specification::
Frequently Asked Questions
Can I use the MPT-45A for equipment that needs 5V, 12V, and -5V rails?
Yes, this model is intended for applications needing multiple DC rails, with product outputs listed as 5V, 12V, and -5V. Its main listed output is 5V at 3A, and total rated power is 40.5W.
Is the MPT-45A suitable for industrial control or embedded systems with mixed-voltage logic rails?
It can fit embedded or automation electronics that need a 5V main output plus 12V and -5V rails from one supply. The unit is specified for 40.5W total power, with the main 5V output rated at 3A.
Can this model be used in legacy electronics that require a negative rail?
Yes, the listed outputs include -5V in addition to 5V and 12V, which is relevant for some legacy or specialized control electronics. The supply remains a constant-voltage design with a 90-264VAC input range.
Is the MPT-45A designed for indoor use only?
The provided operating temperature range is -10°C to +60°C. No IP rating is listed in the product data, so outdoor or moisture-exposed use is not defined by these specs.
How does the MPT-45A compare with the other 45W MPT variants listed here?
In the listed 45 series siblings, MPT-45A is 40.5W with outputs shown as 5V, 12V, and -5V, MPT-45B is 42.6W with 5V, 12V, and -12V, and MPT-45C is 43.5W with 5V and 3A in the provided sibling data. The differences shown here are total rated power and the listed output rails.
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Other MPT Series Models
5 other models| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well MPT-65C Power Supply 65W 5V 15V -15V 5.5A | 65W | 5V | 5.5A | Indoor | $49.52 | View |
| Mean Well MPT-65B Power Supply 65W 5V 12V -12V 5.5A | 63.5W | 5V | 5.5A | Indoor | $49.52 | View |
| Mean Well MPT-65A Power Supply 65W 5V 12V -5V 5.5A | 60W | 5V | 5.5A | Indoor | $49.52 | View |
| Mean Well MPT-45C Power Supply 45W 5V 15V -15V 3A | 43.5W | 5V | 3A | Indoor | $34.24 | View |
| Mean Well MPT-45B Power Supply 45W 5V 12V -12V 3A | 42.6W | 5V | 3A | Indoor | $44.83 | View |
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