learn.howToCalculate
learn.whatIsHeading
Motor Starter Calculator helps contractors and tradespeople accurately size, spec, and estimate materials and systems.
Formula
Starter Size = Motor HP × FLA × Service Factor
Guida passo passo
- 1Look up motor FLA from nameplate, select starter amperage class
- 2Apply the formula using your project measurements
- 3Add required safety factors or waste allowances per code
Esempi risolti
Ingresso
10 HP motor, 28A FLA, 1.15 SF
Risultato
Starter must handle 28 × 1.15 = 32.2A → use Size 1
Errori comuni da evitare
- ✕Not applying code-required safety factors or derating
- ✕Forgetting to account for waste and cut losses in material estimates
Pronto per calcolare? Prova la calcolatrice gratuita di Motor Starter
Provalo tu stesso →