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Motor Overload Setting Calculator

Overload pickup at 115/125% FLA per NEC 430.32 with service-factor and temperature-rise selection. 4 inputs, 3 outputs with grouped results.

Inputs

Motor

Table or nameplate FLA.

SF >= 1.15 or marked rise?

NEC 430.32(A)(1).

Application

For the derate note.

Duty

Jogging applications verify with the relay curve.

Result

Overload pickup
15.25 A
Setting band high
16.01 A
Setting band low
14.49 A
Screening calculation only. Verify against NEC articles cited on the page and the equipment nameplate; the authority having jurisdiction governs.

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Workspace

Keep the assumptions with the result.

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