T
ta-electrical
Hi, i'm a little confused about the way to calculate the amp of the circuit breaker for a three-phase system.
If i have a power of 11.5 kW and voltage of 400V, what size circuit breaker is needed for three-phase system.
My calculation was 11500/(1.732x400) = 16.6 Amps per phase ... 16.6 x 3 = 49.8 Amps, so i need a 50 Amp breaker.
Please, tell me if i worked this out correctly, if not show me how it should be calculated and state the required circuit breaker size i need.
Thanks in advance.
If i have a power of 11.5 kW and voltage of 400V, what size circuit breaker is needed for three-phase system.
My calculation was 11500/(1.732x400) = 16.6 Amps per phase ... 16.6 x 3 = 49.8 Amps, so i need a 50 Amp breaker.
Please, tell me if i worked this out correctly, if not show me how it should be calculated and state the required circuit breaker size i need.
Thanks in advance.
