Can I use the MPM-45-12 to power a 12V PLC or small automation controller cabinet?

Yes, if the system requires a constant voltage 12V supply and the total load stays within 45W and 3.75A. Its 80-264VAC input also fits a wide AC input range commonly used in industrial control panels.

Is this power supply suitable for 12V embedded electronics or industrial interface boards?

It can be a fit for embedded or interface equipment that needs regulated 12V DC and draws no more than 3.75A or 45W. The compact 87.0 x 52.0 x 29.5 mm size can also help where board-level space is limited.

Can the MPM-45-12 run a 12V HMI, sensor hub, or communications module?

It is appropriate for 12V constant-voltage loads such as HMIs, sensor aggregators, or communications hardware as long as the combined demand does not exceed 45W and 3.75A. The encapsulated design and low no-load power consumption of less than 0.1W may also suit always-on equipment.

Is the MPM-45-12 suitable for outdoor or harsh-temperature locations?

The operating temperature range is -30°C to +80°C, so it is specified for a wide temperature span. No IP rating is provided in the listed specs, so outdoor or washdown suitability is not established from this data alone.

How does the MPM-45-12 compare with the other 45W MPM series options?

Within the 45W range, the listed models are MPM-45-12 and MPM-45-12ST at 45W, 12V, 3.75A; MPM-45-15 and MPM-45-15ST at 45W, 15V, 3A; MPM-45-24 and MPM-45-24ST at 45.1W, 24V, 1.88A; MPM-45-48 and MPM-45-48ST at 45.1W, 48V, 0.94A; and MPM-45-5 and MPM-45-5ST at 40W, 5V, 8A. This model is the 12V, 3.75A option in that group.

Image shown is a representation only. Exact specifications should be obtained from the product datasheet.

Mean Well

Mean Well MPM-45-12 Power Supply 45W 12V 3.75A

encapsulatedcompact sizemedical safety approvedno load power consumption < 0.1Wextremely low leakage current

SKU:

MPM-45-12

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EMI Class B without additional components

Isolation Class II

No minimum load required

50W peak(10 sec)

Touch current<100 μA/264VAC

Key Features

✓3.43"x2.05" compact size
✓Medical safety approved(2 x MOPP) according to ANSI/AAMI ES60601-1 and IEC/BS EN/EN60601-1
✓Suitable for BF application with appropriate system consideration
✓No-load power consumption<0.1W
✓Extremely low leakage current
✓Wide operating temp. range -40~+85°C
✓EMI Class B without additional componentsIsolation Class II
✓Protections: Short circuit/ Overload/ Over voltage/Over temperature
✓No minimum load required50W peak(10 sec)
✓3 years warranty

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Model	Power	Voltage	Current
Mean Well MPM-45-5ST Power Supply 45W 5V 8A	40W	5V	8A	View
Mean Well MPM-45-5 Power Supply 45W 5V 8A	40W	5V	8A	View
Mean Well MPM-45-48ST Power Supply 45W 48V 940mA	45.1W	48V	0.94A	View
Mean Well MPM-45-48 Power Supply 45W 48V 940mA	45.1W	48V	0.94A	View
Mean Well MPM-45-24ST Power Supply 45W 24V 1.88A	45.1W	24V	1.88A	View
Mean Well MPM-45-24 Power Supply 45W 24V 1.88A	45.1W	24V	1.88A	View
Mean Well MPM-45-15ST Power Supply 45W 15V 3A	45W	15V	3A	View
Mean Well MPM-45-15 Power Supply 45W 15V 3A	45W	15V	3A	View
Mean Well MPM-45-12ST Power Supply 45W 12V 3.75A	45W	12V	3.75A	View

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Key Features

✓3.43"x2.05" compact size

✓Medical safety approved(2 x MOPP) according to ANSI/AAMI ES60601-1 and IEC/BS EN/EN60601-1

✓Suitable for BF application with appropriate system consideration

✓No-load power consumption<0.1W

✓Extremely low leakage current

✓Wide operating temp. range -40~+85°C

✓EMI Class B without additional componentsIsolation Class II

✓Protections: Short circuit/ Overload/ Over voltage/Over temperature

✓No minimum load required50W peak(10 sec)

✓3 years warranty

Mean Well MPM-45-12 Power Supply 45W 12V 3.75A

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Mean Well MPM-45-12 Power Supply 45W 12V 3.75A

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