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Motor Starter Calculator helps contractors and tradespeople accurately size, spec, and estimate materials and systems.

Formule

Starter Size = Motor HP × FLA × Service Factor

Stapsgewijze handleiding

  1. 1Look up motor FLA from nameplate, select starter amperage class
  2. 2Apply the formula using your project measurements
  3. 3Add required safety factors or waste allowances per code

Uitgewerkte voorbeelden

Invoer
10 HP motor, 28A FLA, 1.15 SF
Resultaat
Starter must handle 28 × 1.15 = 32.2A → use Size 1

Veelgemaakte fouten om te vermijden

  • Not applying code-required safety factors or derating
  • Forgetting to account for waste and cut losses in material estimates

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