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Power · Calculator
Compare phase currents, headroom targets, and the spread between lightest and heaviest phases.
Working calculator
Enter the known values. ShowSide validates them before running the calculation.
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Result
Enter all three phase loads, service rating, and desired headroom.
Transparent math
Planning estimate only. Qualified personnel must verify the actual equipment, conductors, protection, grounding, service, venue rules, and applicable code before energizing a system.