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Mean Well MSP-450-3.3 Power Supply 297W 3.3V
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Mean Well MSP-450-3.3 Power Supply 297W 3.3V
The MSP-450 is a 450W 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: Short circuit / Overload / Over voltage / Over temperature
- ✓ Active PFC — meets international energy efficiency regulations
- ✓ DC OK relay contact output
- ✓ Remote ON/OFF control
- ✓ Safety approvals: WITHSTAND VOLTAGE ISOLATION RESISTANCE EMC EMISSION ANSI/AAMI ES60601-1, IEC60601-1
- ✓ 3 years warranty
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BrandMean Well
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SeriesMSP Series
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Power Rating297 Watt
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Output Voltage3.3 Volt
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Rated Current90 Ampere
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Input Voltage85V~264V
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No of Output1
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Standards MetCB,CE,EAC,UL
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Operation ModeConstant Voltage
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Operating Temperature-40°C~70°C
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Warranty5 Year
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Length8.58 in
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Width4.13 in
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Height1.61 in
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Weight2.62 lb
::specification::
Frequently Asked Questions
Can I use the MSP-450-3.3 for a high-current 3.3V industrial control backplane?
Yes, this model is a constant voltage power supply rated for 3.3V output with up to 90A and 297W. That makes it suitable for 3.3V industrial control electronics that need very high current on a single DC rail.
Is the MSP-450-3.3 a fit for powering 3.3V embedded processors or FPGA systems in test equipment?
It can be a fit where the equipment is designed for a 3.3V constant voltage source and needs substantial current headroom, since the unit provides 3.3V at up to 90A. The wide 85-264VAC input also suits facilities that may have different AC supply standards.
Can this 3.3V power supply be used for low-voltage automation electronics with heavy current demand?
Yes, the MSP-450-3.3 is intended for constant voltage output at 3.3V and can deliver up to 297W. That profile fits low-voltage automation electronics, controller assemblies, or embedded platforms that run on 3.3V and draw high current.
Would the MSP-450-3.3 work for a rack-based electronics bench or burn-in fixture?
It is suited to bench or rack environments where a regulated 3.3V rail is required, especially when loads can approach 90A. Its compact 218.0 × 105.0 × 41.0 mm form factor and 1.19 kg weight can help in dense equipment layouts.
Is the MSP-450-3.3 suitable for outdoor or harsh-environment use?
The provided specs show an operating temperature range of -40°C to +70°C, which supports demanding temperature conditions. No IP rating is listed, so the specs do not identify it as an outdoor or washdown power supply.
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Other MSP-450 Models
7 other models| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well MSP-450-7.5 Power Supply 450W 7.5V | 450W | 7.5V | 60A | Indoor | $176.58 | View |
| Mean Well MSP-450-5 Power Supply 450W 5V | 450W | 5V | 90A | Indoor | $175.27 | View |
| Mean Well MSP-450-48 Power Supply 456W 48V | 456W | 48V | 9.5A | Indoor | $175.27 | View |
| Mean Well MSP-450-36 Power Supply 450W 36V | 450W | 36V | 12.5A | Indoor | $176.58 | View |
| Mean Well MSP-450-24 Power Supply 451.2W 24V | 451.2W | 24V | 18.8A | Indoor | $175.27 | View |
| Mean Well MSP-450-15 Power Supply 450W 15V | 450W | 15V | 30A | Indoor | $176.58 | View |
| Mean Well MSP-450-12 Power Supply 450W 12V | 450W | 12V | 37.5A | Indoor | $175.27 | View |
