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Mean Well LOP-400-18 400W 5"×3" Low Profile Open Frame Power Supply 18V
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Mean Well LOP-400-18 400W 5"×3" Low Profile Open Frame Po...
Description
Description
Key Features
- ✓MEAN WELL Patent Number: ZL 202223277512.1
- ✓5"x3" compact size with low profile (27.5mm)
- ✓80~264Vac input with PFC, No load power consumption <0.5W
- ✓Global certificates in multi-fields
- ✓150% peak load @ 3s
- ✓250W convection, 400W with FAN 23CFM 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 95%
- ✓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
Specifications
Specifications
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BrandMean Well
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SeriesMean Well LOP Series
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Power Rating400 Watt
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Output Voltage18 Volt
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Rated Current13.9 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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Length5 in
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Width3 in
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Height1.08 in
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Weight0.86 lb
File Downloads
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Payment & Security
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Frequently Asked Questions
What applications is the Mean Well LOP-400-18 designed for?
The LOP-400-18 is a 400W open frame AC/DC power supply intended for embedded equipment where a compact internal power source is needed. Its listed certifications cover ITE, medical, household, and industrial standards, making it suitable for a wide range of OEM and B2B equipment designs.
What are the main electrical specifications of the LOP-400-18?
This model provides an 18V DC output rated at 13.9A, with a total power rating of 400W. It accepts a wide 80 to 264VAC input range and includes active power factor correction, with stated full-load power factor above 0.95 at 230VAC.
How compact is the Mean Well LOP-400-18 for space-constrained equipment?
The LOP-400-18 uses a 5 by 3 inch footprint and has a low 27.5mm profile. Its stated dimensions are 127 x 76.2 x 27.5mm, which helps it fit in equipment where vertical clearance and board space are limited.
Can the LOP-400-18 operate in demanding temperature or altitude conditions?
Yes. Mean Well rates this model for operation from -40°C to +80°C, subject to the product's derating conditions, and specifies operating altitude up to 5000 meters. Those published limits make it a strong fit for equipment exposed to wide environmental variation.
Is the LOP-400-18 suitable for medical or safety-sensitive equipment?
This model includes medical-related certifications such as IEC60601-1 and is described as having extremely low leakage current with 2 x MOPP, suitable for BF medical applications. It also carries multiple safety approvals across ITE, household, and industrial categories, supporting use in regulated equipment programs.
What protection and performance features are included in the LOP-400-18?
The LOP-400-18 includes short circuit, overload, overvoltage, and overtemperature protection. Mean Well also specifies up to 95% efficiency, no-load power consumption below 0.5W, and 150% peak load capability for 3 seconds.
Other LOP-400 Models
7 other models| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well LOP-400-54 400W 5"×3" Low Profile Open Frame Power Supply 54V | 400W | 54V | 4.75A | Indoor | $109.17 | View |
| Mean Well LOP-400-48 400W 5"×3" Low Profile Open Frame Power Supply 48V | 400W | 48V | 5.3A | Indoor | $109.17 | View |
| Mean Well LOP-400-36 400W 5"×3" Low Profile Open Frame Power Supply 36V | 400W | 36V | 7.1A | Indoor | $109.17 | View |
| Mean Well LOP-400-27 400W 5"×3" Low Profile Open Frame Power Supply 27V | 400W | 27V | 9.3A | Indoor | $109.17 | View |
| Mean Well LOP-400-24 400W 5"×3" Low Profile Open Frame Power Supply 24V | 400W | 24V | 10.5A | Indoor | $109.17 | View |
| Mean Well LOP-400-15 400W 5"×3" Low Profile Open Frame Power Supply 15V | 400W | 15V | 16.7A | Indoor | $109.17 | View |
| Mean Well LOP-400-12 400W 5"×3" Low Profile Open Frame Power Supply 12V | 400W | 12V | 20.8A | Indoor | $109.17 | View |
