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Mean Well LOP-300-48 300W 4"×2" Low Profile Open Frame Power Supply 48V
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Mean Well LOP-300-48 300W 4"×2" Low Profile Open Frame Po...
Key Features
- ✓MEAN WELL Patent Number: ZL 202223277512.1
- ✓4"x2" compact size with low profile (25.4mm)
- ✓80~264Vac input with PFC, No load power consumption <0.5W
- ✓Global certificates in multi-fields (ITE 62368-1, Medical 60601-1, Household 60335-1, Industrial 61558-1/-216
- ✓150% peak load @ 3s
- ✓180W convection, 300W with FAN 10.98CFM forced-cooled
- ✓suitable for Class I or Class II installations
- ✓Overvoltage category III (OVC III)
- ✓-40 ~+80°C wide range operation temperature
- ✓High efficiency up to 94%
- ✓Protections: Short circuit / Overload / Over voltage / Over temperature
- ✓Extremely low leakage current, 2 x MOPP, suitable for BF medical applications
- ✓Operating altitude up to 5000 meters
- ✓Built-in 12V/0.5A for external FAN
- ✓3 years warranty
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BrandMean Well
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SeriesMean Well LOP Series
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Power Rating300 Watt
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Output Voltage48 Volt
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Rated Current3.8 Ampere
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No of Output1
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Dimming ControlNone
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Standards MetCB,CCC,CE,EAC,TUV,UL
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Operation ModeConstant Voltage
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Warranty3 Year
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Length4 in
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Width2 in
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Height1 in
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Weight0.46 lb
::specification::
Frequently Asked Questions
What are the key electrical ratings of the Mean Well LOP-300-48?
The LOP-300-48 is a 300W open frame AC/DC power supply with a 48V DC output and 3.8A rated current. It accepts 80 to 264VAC or 113 to 370VDC input and includes active power factor correction. Efficiency is rated up to 94%, and no-load power consumption is below 0.5W.
Is the LOP-300-48 suitable for space-constrained equipment?
Yes. This model uses a compact 4 x 2 inch footprint and a low 25.4mm profile, with overall dimensions of 101.6 x 50.8 x 25.4mm. That makes it a practical option for OEM equipment where board area and height are limited.
What kinds of applications is the LOP-300-48 designed for?
This power supply is designed for OEM and embedded equipment that needs a regulated 48V output in a compact open frame format. Its certifications span ITE, medical, household, and industrial standards, so it fits a wide range of professional equipment categories. Buyers typically consider it when they need one model that can support multiple compliance environments.
Can the LOP-300-48 operate in demanding temperature conditions?
Yes. The specified operating temperature range is -40 to +80 degrees C, subject to the derating curve. It is also rated for operation at altitudes up to 5000 meters, which helps for equipment deployed in harsher industrial or elevated environments.
How does the LOP-300-48 handle higher load demand and cooling conditions?
The unit is rated for 180W under convection cooling and up to 300W with 10.98CFM forced-air cooling. It also supports 150% peak load for 3 seconds, which can help with short-duration demand spikes. This makes cooling method an important selection factor when sizing it for full-load operation.
What protection and safety features are included in the LOP-300-48?
The LOP-300-48 includes short circuit, overload, overvoltage, and overtemperature protection. It supports Class I or Class II installations, is rated for overvoltage category III, and has low leakage current with 2 x MOPP suitability for BF medical applications. Safety approvals include IEC/EN/UL 62368-1 and IEC/EN/ANSI/AAMI 60601-1 among others listed for this model.
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Other LOP-300 Models
8 other models| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well LOP-300-54 300W 4"×2" Low Profile Open Frame Power Supply 54V | 300W | 54V | 3.4A | Indoor | $71.41 | View |
| Mean Well LOP-300-36 300W 4"×2" Low Profile Open Frame Power Supply 36V | 300W | 36V | 5A | Indoor | $71.41 | View |
| Mean Well LOP-300-30 300W 4"×2" Low Profile Open Frame Power Supply 27V | 300W | 30V | 6A | Indoor | $71.41 | View |
| Mean Well LOP-300-27 300W 4"×2" Low Profile Open Frame Power Supply 27V | 300W | 27V | 6.7A | Indoor | $71.41 | View |
| Mean Well LOP-300-24 300W 4"×2" Low Profile Open Frame Power Supply 24V | 300W | 24V | 7.5A | Indoor | $71.41 | View |
| Mean Well LOP-300-18 300W 4"×2" Low Profile Open Frame Power Supply 18V | 300W | 18V | 10A | Indoor | $71.41 | View |
| Mean Well LOP-300-15 300W 4"×2" Low Profile Open Frame Power Supply 15V | 300W | 15V | 12A | Indoor | $71.41 | View |
| Mean Well LOP-300-12 300W 4"×2" Low Profile Open Frame Power Supply 12V | 300W | 12V | 15A | Indoor | $71.41 | View |
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