What is the meaning of the B, C, D curves for iC60 Acti9 circuit breakers?

For iC60 Acti9 devices, ac rated, the following is the meaning of the trip curves:
B curve: 3.2 - 4.8 times amp rating
C curve: 7 - 10 times amp rating
D curve: 10 - 14 times amp rating

เผยแพร่สำหรับ: ชไนเดอร์ อิเล็คทริค Thailand