LRS-200-5 5V 40A switching power supply
The MEAN WELL LRS-200-5 is a single-output enclosed supply rated at 5V, 40A and 200W. Its fanless design uses free-air convection, so enclosure ventilation and operating temperature should be checked alongside load current.
LRS-200-5 specifications
| Parameter | Specification |
|---|---|
| Rated output | 5V DC, 40A |
| Rated power | 200W |
| Voltage adjustment | 4.5–5.5V |
| AC input | 90–132VAC or 180–264VAC, selected by switch |
| Input frequency | 47–63Hz |
| Typical efficiency | 87% |
| Maximum ripple and noise | 150mVp-p; datasheet test conditions apply |
| Dimensions (L × W × H) | 215 × 115 × 30mm |
| Unit weight | 0.66kg |
| Working temperature | −25°C to +70°C; apply derating curve |
| Cooling | Free-air convection |
Purchase and replacement checks
Compare the full model number, required output voltage, load current and installation dimensions before choosing a replacement. A lower price does not establish that another 5V supply has the same capacity or mounting arrangement.
Set the input selector for the actual mains voltage before use. Apply the datasheet load limits for the intended temperature, and keep the ventilation openings clear. The specification includes short-circuit, overload, overvoltage and overtemperature protection.
Frequently asked questions
What is the output capacity of the LRS-200-5?
The model is rated at 5V DC, 40A and 200W. The permitted load also depends on the datasheet derating conditions.
Is this model fanless?
Yes. It is cooled by free-air convection and needs suitable ventilation in the final enclosure.
Can the LRS-200-5 accept 115VAC or 230VAC?
Yes, with the input switch set correctly. Its specified ranges are 90–132VAC and 180–264VAC.
What should I compare when buying a replacement?
Check the exact model, voltage, rated current, input selector, terminal arrangement and mounting dimensions. Use the specification PDF and the existing equipment requirements as the comparison basis.
Product images and specification download


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