Πώς να υπολογίσετε το Circuit Breaker Sizing
Τι είναι το Circuit Breaker Sizing;
Circuit Breaker Size Calculator helps contractors and tradespeople accurately size, spec, and estimate materials and systems.
Τύπος
Breaker Size = Load Watts / Voltage × 1.25 (125% NEC rule)
Οδηγός βήμα προς βήμα
- 1Calculate total load in watts, divide by voltage, multiply by 1.25
- 2Apply the formula using your project measurements
- 3Add required safety factors or waste allowances per code
Worked Examples
Εισαγωγή
2400W load, 120V circuit
Αποτέλεσμα
Breaker = 2400/120 × 1.25 = 25A → use 30A breaker
Common Mistakes to Avoid
- ✕Not applying code-required safety factors or derating
- ✕Forgetting to account for waste and cut losses in material estimates
Είστε έτοιμοι να υπολογίσετε; Δοκιμάστε τον δωρεάν υπολογιστή Circuit Breaker Sizing
Δοκιμάστε το μόνοι σας →