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Electrician1001

Transformer Sizing Calculator

Full-load current for single- and three-phase transformers.

Inputs

Inputs and assumptions

Nameplate kVA.

Winding volts.

Result

Full-load current, 1-phase
Waiting for calculation.
Full-load current, 3-phase
Waiting for calculation.
Screening tool. Verify against the NEC as adopted locally, the AHJ, nameplate data, and metered conditions before acting.

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Workspace

Keep the assumptions with the result.

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