24VDC power supply sizing
Total load (W/A) → minimum supply current & power with headroom, standard size suggestion.
How to use
- Enter the calculation conditions
Enter the dimensions, loads, speeds or operating conditions requested by the form.
- Run the calculation
The tool applies the formulas shown on this page to the entered values.
- Review the result
Review the resulting specification and checks, then verify them against the cited source, current standard and real operating conditions before use.
Core formula
I_load = ΣP / U
Example using default values
I_load = 120 / 24 = 5 A (120 W)
Source: Omron / Mean Well switching-power-supply selection guides.
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