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

Q: 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.

Q: 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.

Q: 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.

Q: 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.

Q: 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.

built-in active PFC, medical safety approved, high efficiency, no load power consumption < 0.5~0.8W

SKU:

MSP-300-3.3

Model

100W 3.3V

SKU: MSP-100-3.3

200W 3.3V

SKU: MSP-200-3.3

300W 3.3V

SKU: MSP-300-3.3

450W 3.3V

SKU: MSP-450-3.3

600W 3.3V

SKU: MSP-600-3.3

Product variants

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Description

The MSP-300 is a 300W Mean Well power converter (input range: 85~264VAC).

Key Features

✓ Input voltage range: 85~264VAC
✓ DC output voltage adjustable ±10%
✓ 4KVAC reinforced I/O isolation
✓ Protections: Overload / Over voltage / Over temperature
✓ Active PFC — meets international energy efficiency regulations
✓ DC OK relay contact output
✓ Remote ON/OFF control
✓ Safety approvals: ISOLATION LEVEL
✓ 3 years warranty

Specifications

Brand

Mean Well
Series

MSP Series
Power Rating

198 Watt
Output Voltage

3.3 Volt
Rated Current

60 Ampere
Input Voltage

85V~264V
Standards Met

CB,CE,EAC,UL
Operation Mode

Constant Voltage
Operating Temperature

-40°C~70°C
Warranty

5 Year
Length

19.9 cm
Width

10.5 cm
Height

4.1 cm
Weight

0.95 kg

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Frequently Asked Questions

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.

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

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

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Frequently Asked Questions

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

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