Can I use the MSP-300-3.3 for a 3.3V logic or processor rail in embedded equipment?

Yes, this model provides constant voltage 3.3V output rated at 198W and 60A. It is appropriate for high-current 3.3V embedded loads that require a regulated low-voltage rail.

Is the MSP-300-3.3 suitable for FPGA, memory, or backplane-style 3.3V loads?

It can be used where the equipment needs a stable 3.3V supply and the total demand stays within 198W and 60A. The high current capacity is the main characteristic that distinguishes this version from the higher-voltage MSP-300 models.

Can this unit support a 3.3V industrial controller or communications board assembly?

Yes, if the system is designed for constant voltage 3.3V input and remains within 60A and 198W. It also accepts 85-264VAC input, which helps when the AC source varies across installations.

Is the MSP-300-3.3 intended for outdoor use?

The operating temperature range is -40°C to +70°C, but no IP rating is listed in the provided specifications. Based on that information, temperature tolerance is defined, while outdoor exposure protection is not.

How does the MSP-300-3.3 compare with the rest of the MSP-300 range?

In the MSP-300 lineup, the outputs are MSP-300-3.3 at 198W, 3.3V, 60A; MSP-300-5 at 300W, 5V, 60A; MSP-300-7.5 at 300W, 7.5V, 40A; MSP-300-12 at 324W, 12V, 27A; MSP-300-15 at 330W, 15V, 22A; MSP-300-24 at 336W, 24V, 14A; MSP-300-36 at 324W, 36V, 9A; and MSP-300-48 at 336W, 48V, 7A. This version is the lowest-voltage option and one of the highest-current options in that group.

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

Mean Well

Mean Well MSP-300-3.3 Power Supply 198W 3.3V 60A

built-in active PFCmedical safety approvedhigh efficiencyno load power consumption < 0.5~0.8W

SKU MSP-300-3.3

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MSP-300-3.3

MSP-100-3.3 100W 3.3V Backorder

MSP-200-3.3 200W 3.3V Backorder

MSP-300-3.3 300W 3.3V Backorder

MSP-450-3.3 450W 3.3V Backorder

MSP-600-3.3 600W 3.3V Backorder

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The MSP-300-3.3 is a 198W Mean Well power supply (input: 85~264VAC, operating temperature: -40~+70°C).

Key Features

✓ Input voltage: 85~264VAC
✓ Output voltage (max): 3.3V
✓ Rated output current: 60A
✓ Operating temperature: -40~+70°C
✓ Active PFC — meets international energy efficiency standards
✓ Safety certifications: CB, CE, EAC, UL
✓ 5 year warranty

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Model	Power	Voltage	Current
Mean Well MSP-300-7.5 Power Supply 300W 7.5V 40A	300W	7.5V	40A	View
Mean Well MSP-300-5 Power Supply 300W 5V 60A	300W	5V	60A	View
Mean Well MSP-300-48 Power Supply 336W 48V 7A	336W	48V	7A	View
Mean Well MSP-300-36 Power Supply 324W 36V 9A	324W	36V	9A	View
Mean Well MSP-300-24 Power Supply 336W 24V 14A	336W	24V	14A	View
Mean Well MSP-300-15 Power Supply 330W 15V 22A	330W	15V	22A	View
Mean Well MSP-300-12 Power Supply 324W 12V 27A	324W	12V	27A	View

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Key Features

✓ Input voltage: 85~264VAC

✓ Output voltage (max): 3.3V

✓ Rated output current: 60A

✓ Operating temperature: -40~+70°C

✓ Active PFC — meets international energy efficiency standards

✓ Safety certifications: CB, CE, EAC, UL

✓ 5 year warranty

Mean Well MSP-300-3.3 Power Supply 198W 3.3V 60A

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Mean Well MSP-300-3.3 Power Supply 198W 3.3V 60A

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