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Mean Well MPS-45-12 Power Supply 45W 12V 3.7A
MEAN WELL MPS-45 Series Power Supplies are 45W singlel output medical type power supplies with 3 years warranty.
Key Features
- ✓Universal AC input / Full range
- ✓Low leakage current <250pA
- ✓Protections: Short circuit / Overload / Over voltage
- ✓Cooling by free air convection
- ✓Medical safety approved (2 x MOPP between primary to secondary)
- ✓100% full load burn-in test
- ✓Fixed switching frequency at 45KHz
- ✓3 years warranty
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BrandMean Well
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SeriesMPS Series
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Power Rating44.4 Watt
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Output Voltage12 Volt
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Rated Current3.7 Ampere
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Input Voltage90V~264V
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No of Output1
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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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Weight0.4 lb
::specification::
Frequently Asked Questions
Can I use the MPS-45-12 for a small 12V industrial control panel or relay cabinet?
Yes, it is a constant-voltage 12V supply rated for 44.4W and 3.7A, which fits small 12V control loads that stay within those limits. Its 90-264VAC input also suits facilities that need a wide AC input range.
Is this power supply suitable for 12V embedded systems or HMI accessories?
It can be suitable for 12V embedded equipment that requires a regulated 12V constant-voltage source and draws no more than 3.7A or 44.4W. Buyers should match the load to the 12V output and stay within the published current and power rating.
Can I use this 12V model for low-power automation sensors, indicators, or small actuators?
For 12V automation devices, this model fits lower-power applications up to 44.4W total and 3.7A output current. That makes it more appropriate for smaller 12V loads than higher-demand 12V equipment.
Is the MPS-45-12 rated for outdoor or harsh wet locations?
The published specs list an operating temperature of -10°C to +60°C, but they do not list any IP rating. Based on the provided data, it is not specified here for direct outdoor weather exposure or washdown environments.
How does the MPS-45-12 compare with other MPS series power supplies?
This version is 44.4W at 12V and 3.7A. Other listed MPS siblings are MPS-30-5 25W 5V 5A, MPS-30-12 30W 12V 2.5A, MPS-30-15 30W 15V 2A, MPS-30-24 28.8W 24V 1.2A, MPS-30-27 29.7W 27V 1.1A, MPS-30-48 28.8W 48V 0.6A, MPS-45-3.3 26.4W 3.3V 8A, MPS-45-5 40W 5V 8A, MPS-45-7.5 40.5W 7.5V 5.4A, MPS-45-13.5 44.55W 13.5V 3.3A, MPS-45-15 45W 15V 3A, MPS-45-24 45.6W 24V 1.9A, MPS-45-27 45.9W 27V 1.7A, MPS-45-48 48W 48V 1A, MPS-65-3.3 39.6W 3.3V 12A, MPS-65-5 60W 5V 12A, MPS-65-7.5 60W 7.5V 8A, MPS-65-12 62.4W 12V 5.2A, MPS-65-13.5 63.45W 13.5V 4.7A, MPS-65-15 63W 15V 4.2A, MPS-65-24 64.8W 24V 2.7A, MPS-65-27 64.8W 27V 2.4A, MPS-65-48 64.8W 48V 1.35A, MPS-120-3.3 79.2W 3.3V 24A, MPS-120-5 110W 5V 22A, MPS-120-12 120W 12V 10A, MPS-120-15 120W 15V 8A, MPS-120-24 120W 24V 5A, MPS-120-48 120W 48V 2.5A, MPS-200-3.3 132W 3.3V 40A, MPS-200-5 200W 5V 40A, MPS-200-12 200W 12V 16.7A, MPS-200-15 200W 15V 13.4A, MPS-200-24 200W 24V 8.4A, and MPS-200-48 200W 48V 4.2A.
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Other MPS-45 Models
8 other models| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well MPS-45-24 Power Supply 45W 24V 1.9A | 45.6W | 24V | 1.9A | Indoor | $32.92 | View |
| Mean Well MPS-45-7.5 Power Supply 45W 7.5V 5.4A | 40.5W | 7.5V | 5.4A | Indoor | $40.48 | View |
| Mean Well MPS-45-5 Power Supply 45W 5V 8A | 40W | 5V | 8A | Indoor | $40.48 | View |
| Mean Well MPS-45-48 Power Supply 45W 48V 1A | 48W | 48V | 1A | Indoor | $40.48 | View |
| Mean Well MPS-45-3.3 Power Supply 45W 3.3V 8A | 26.4W | 3.3V | 8A | Indoor | $40.03 | View |
| Mean Well MPS-45-27 Power Supply 45W 27V 1.7A | 45.9W | 27V | 1.7A | Indoor | $40.03 | View |
| Mean Well MPS-45-15 Power Supply 45W 15V 3A | 45W | 15V | 3A | Indoor | $40.48 | View |
| Mean Well MPS-45-13.5 Power Supply 45W 13.5V 3.3A | 44.55W | 13.5V | 3.3A | Indoor | $40.48 | View |
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