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Mean Well 100.8W High Reliable Multi-Industries Power Supply 48V 2.1A
The MEAN WELL NSP-100 series is a 100W high-reliability AC/DC enclosed power supply designed for multi-industry applications, including industrial automation, telecommunications, security systems, and medical devices. Featuring a universal 85–305VAC input with active PFC and efficiency up to 92%, it delivers stable power performance with ultra-low standby consumption below 0.5W. The fanless design and compact 99×97×30 mm form factor enable reliable operation from -40°C to +85°C. With 200% peak power capability, remote ON/OFF control, and comprehensive protections, the NSP-100 series ensures long-term performance under demanding conditions while complying with IEC/EN/UL 62368-1, 60601-1 (BF rated, 2×MOPP), and other global safety standards.
Key Features
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BrandMean Well
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SeriesNSP Series
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Power Rating100.8 Watt
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Output Voltage48 Volt
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Rated Current2.1 Ampere
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Input Voltage85V~305V
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No of Output1
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Standards MetBSMI,CB,CCC,CE,EAC,RCM,TUV,UL
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Operation ModeConstant Voltage
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Operating Temperature-40°C~85°C
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Warranty5 Year
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Length3.9 in
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Width3.82 in
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Height1.18 in
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Weight0.66 lb
::specification::
Frequently Asked Questions
What applications is the Mean Well NSP-100-48 designed for?
The NSP-100-48 is built for high-reliability AC/DC power use in industrial automation, telecommunications, security systems, and certain medical device applications. Its enclosed, fanless design and broad certifications make it suitable for demanding multi-industry environments where long-term stability matters.
What are the main output specifications of the NSP-100-48?
This model provides 48V DC output at 2.1A, with a rated power of 100.8W. It is part of Mean Well's NSP-100 series, which is designed to deliver stable power performance with high efficiency up to 92%.
Is the NSP-100-48 suitable for harsh industrial environments?
Yes. The NSP-100-48 operates from -40°C to +85°C, with derating above +60°C, and uses a conformal coated PCB to improve durability. Its fanless construction also supports quieter, lower-maintenance operation in demanding environments.
What makes the NSP-100-48 a high-reliability power supply compared with standard enclosed models?
The NSP-100-48 combines features that are important in critical applications, including active PFC, up to 92% efficiency, under 0.5W no-load power consumption, and 200% peak power capability for up to 5 seconds. It also includes overload, short circuit, overvoltage, and overtemperature protection, along with a 5-year warranty.
Does the NSP-100-48 support medical or safety-sensitive applications?
This model is certified to IEC/EN/UL 62368-1 and 60601-1, and it is described as BF rated with 2x MOPP compliance. It also features leakage current below 350 microamps, which supports use in certain medical and other safety-focused equipment categories.
What input range does the Mean Well NSP-100-48 accept?
The NSP-100-48 accepts a universal input range of 85-305VAC or 120-431VDC. That wide range helps it fit a variety of global industrial and commercial power environments without requiring a narrowly matched input source.
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