MEAN WELL LRS-300E-5 5V 60A 300W Fanless Power Supply
$ 17.00
MEAN WELL LRS-300E-5 is a 5V, 60A, 300W single-output power supply with natural convection cooling. It accepts 180–264VAC input and measures 215 × 115 × 30mm.
10000 in stock
LRS-300E-5 fanless LED power supply
The MEAN WELL LRS-300E-5 provides a rated 5V DC output at 60A, with 300W output power. It uses natural convection cooling and a 30mm enclosure. The input range is 180–264VAC, so the available mains supply is an important selection check.
LRS-300E-5 specifications
| Parameter | Specification |
|---|---|
| Rated output voltage | 5V DC |
| Rated output current | 60A |
| Rated output power | 300W |
| Voltage adjustment | 4.5–5.5V |
| AC input | 180–264VAC, 47–63Hz |
| Typical efficiency | 80% |
| Maximum ripple and noise | 150mVp-p; datasheet measurement conditions apply |
| Dimensions (L × W × H) | 215 × 115 × 30mm |
| Working temperature | −20°C to +60°C; refer to load derating curve |
| Cooling | Natural convection |
| Protection functions | Short circuit, overload and overvoltage |
Choosing between 5V and 4.2V versions
The linked Chinese specification covers both LRS-300E-5 and LRS-300E-4.2. The 300W rating applies to the 5V model listed here; the 4.2V version has its own electrical ratings. Use the correct column when reviewing the PDF.
Match the supply to the module voltage and total current requirement. Allow ventilation around the case and use the temperature derating curve to set the permitted load in a cabinet.
Frequently asked questions
Does the LRS-300E-5 have a fan?
No. The linked specification lists natural convection cooling for this model.
Can it run from 115VAC mains?
No. The specified AC input range is 180–264VAC.
What is the difference between LRS-300E-5 and LRS-300E-4.2?
They are different output-voltage versions. This listing is for the 5V model rated at 60A and 300W. Check the separate model columns in the specification before selecting a replacement.
Is the specification PDF available in Chinese?
Yes. The original Chinese LRS-300E PDF is retained below. It includes the model table, mechanical drawing and load derating curve.
Product images and specification download
Meanwell LRS-300E-5 LED Video Display Power Supply Specification (Chinese)
| Weight | 0.88 kg |
|---|
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