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Mean Well MSP-200-3.3 Power Supply 132W 3.3V

Q: Can I use the MSP-200-3.3 for 3.3V logic rails in industrial embedded systems?

Yes, if the system requires constant-voltage 3.3V DC and the load fits within 132W and 40A. That combination is useful for high-current 3.3V logic or processor rails in embedded and industrial computing equipment.

Q: Is the MSP-200-3.3 suitable for FPGA or processor boards that need high current at 3.3V?

This model is one of the higher-current low-voltage options in the MSP line, with 40A available at 3.3V and 132W total power. It is intended for equipment that specifically needs a regulated 3.3V source rather than 5V, 12V, or 24V.

Q: Can this supply power multiple 3.3V control or communication modules from one source?

It can support multiple 3.3V loads when the combined demand stays within 132W and 40A. That makes it suitable for centralized 3.3V distribution in specialized embedded or digital control assemblies.

Q: How does the MSP-200-3.3 compare with the other MSP-200 models?

The MSP-200 family spans 3.3V 132W 40A, 5V 175W 35A, 7.5V 200.3W 26.7A, 12V 200.4W 16.7A, 15V 201W 13.4A, 24V 201.6W 8.4A, 36V 205.2W 5.7A, and 48V 206.4W 4.3A. The 3.3V version is the lowest-voltage model in that group and delivers the highest current among the MSP-200 variants.

Q: Is the MSP-200-3.3 appropriate for environments with wide temperature swings?

The operating temperature is specified from -40°C to +70°C, so the thermal range is broad. The provided specifications do not state an IP rating, so enclosure-level protection against dust or water is not defined here.

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

SKU:

MSP-200-3.3

Model

100W 3.3V

$55.85 USD

SKU: MSP-100-3.3

200W 3.3V

$93.83 USD

SKU: MSP-200-3.3

300W 3.3V

$129.06 USD

SKU: MSP-300-3.3

450W 3.3V

$176.58 USD

SKU: MSP-450-3.3

600W 3.3V

$201.31 USD

SKU: MSP-600-3.3

Product variants

$93.83 USD

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Description

Features

Universal AC input / Full range

Built-in active PFC function, PF>0.95

High efficiency up to 89%

Withstand 300VAC surge input for 5 seconds

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

Built-in constant current limiting circuit

Cooling by free air convection

1U low profile 38mm

Medical safety approved (MOOP level)

Built-in remote ON-OFF control

No load power consumption<0.5W

Standby 5V@0.3A

Built-in remote sense function

5 years warranty

General Specification

AC input voltage range	85~264VAC ; 120~370VDC
AC inrush current (max.)	35A/115VAC 70A/230VAC
Over current protection	105% ~135% rated output power;Protection type : Constant current limiting for Vo=50 ~ 100% of rated voltage, recovers automatically after fault condition is removed
Over voltage protection	110%~140% Protection type : Shut down o/p voltage, re-power on to recover
Withstand voltage	I/P-O/P:4KVAC I/P-FG:2KVAC O/P-FG:0.5KVAC
Working temperature	-40~+70ºC (refer to output derating curve)
Safety standards	ANSI/AAMI ES60601-1, IEC60601-1 approved
EMC standards	Compliance to EN55011 (CISPR11) Class B, EN61000-3-2,-3
Dimension (LxWxH)(mm)	199x 98x 38 mm

Specifications

Brand

Mean Well
Series

MSP Series
Power Rating

132 Watt
Output Voltage

3.3 Volt
Rated Current

40 Ampere
Input Voltage

85V~264V
No of Output

1
Standards Met

CB,CE,EAC,UL
Operation Mode

Constant Voltage
Operating Temperature

-40°C~70°C
Warranty

5 Year
Length

7.83 in
Width

3.86 in
Height

1.5 in
Weight

1.7 lb

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Frequently Asked Questions

Can I use the MSP-200-3.3 for 3.3V logic rails in industrial embedded systems?

Yes, if the system requires constant-voltage 3.3V DC and the load fits within 132W and 40A. That combination is useful for high-current 3.3V logic or processor rails in embedded and industrial computing equipment.

Is the MSP-200-3.3 suitable for FPGA or processor boards that need high current at 3.3V?