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Mean Well MSP-450-48 Power Supply 456W 48V
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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 Rating456 Watt
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Output Voltage48 Volt
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Rated Current9.5 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-450-48 for 48V telecom or network power applications?
Yes, this model provides a constant 48V output at up to 9.5A and 456W. That specification is aligned with equipment designed for a regulated 48V DC supply in telecom or network environments.
Is the MSP-450-48 appropriate for 48V industrial control systems?
It is a fit for industrial control systems that require a constant voltage 48V rail and stay within 456W total load. The 9.5A output supports moderate-to-high power 48V equipment on a single supply.
Would the MSP-450-48 work for embedded or communications racks that run on 48V DC?
Yes, it can suit embedded or communications hardware built for 48V DC input, with available output up to 9.5A. The wide 85-264VAC input range also helps when the same platform is used in different regions.
Can this 48V power supply be used for centralized DC distribution in automation equipment?
It can be used where the downstream equipment is designed for 48V constant voltage distribution and the total demand remains within 456W. Its regulated 48V output is intended for fixed-voltage DC loads rather than lower-voltage rails.
Is the MSP-450-48 rated for outdoor service?
The unit is specified for operation from -40°C to +70°C, which covers a wide temperature range. However, no IP rating is listed in the provided specs, so the product data does not identify it as outdoor-rated.
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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-450-36 Power Supply 450W 36V | 450W | 36V | 12.5A | Indoor | $176.58 | View |
| Mean Well MSP-450-3.3 Power Supply 297W 3.3V | 297W | 3.3V | 90A | 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 |




