MEAN WELL LRS-100-24 24V 4.5A Enclosed Power Supply
The MEAN WELL LRS-100-24 is a 24V enclosed power supply for compatible LED sign panels and control equipment. Its 4.5A, 108W output and compact metal case support installations that require a fanless supply with 85–264VAC input.
Product parameters
| Parameter | Specification |
|---|---|
| Model | LRS-100-24 |
| Rated output | 24V, 4.5A, 108W |
| Voltage adjustment | 21.6–28.8V |
| AC input | 85–264VAC |
| Input frequency | 47–63Hz |
| Typical efficiency | 90% |
| Cooling | Natural air convection |
| Dimensions (L × W × H) | 129 × 97 × 30mm |
| Operating temperature | −30 to +70°C, subject to derating |
Match the supply to the panel’s voltage and maximum load. The enclosed case requires ventilation and appropriate protection within the finished equipment; consult the PDF for installation details.
Product images and documents


Meanwell LRS-100-24 Single-output Enclosed Power Supply for LED Screen Specification
Frequently asked questions
1. Can the LRS-100-24 power an LED sign panel?
It can supply a panel designed for 24V DC when its load stays within the supply’s 4.5A and 108W ratings and applicable derating limits. Check the panel specifications first.
2. Is the LRS-100-24 rated at 100W or 108W?
The manufacturer’s model table lists 108W for the 24V, 4.5A version. LRS-100 is the series designation.
3. What AC mains input does it accept?
The input range is 85–264VAC at 47–63Hz. This model does not use the two-range selector found on some larger LRS supplies.
4. What are the size and cooling requirements?
The case measures 129 × 97 × 30mm and uses natural air convection. Allow ventilation and observe the PDF derating curve inside a cabinet.




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