... Breaker/MCB 6KA C45 2.Voltage:230/400V current:1-63A 3.Poles:1 4.Breaking capacity:6/4.5KA... air circuit ... 's conformity with GB10963,IEC60898 standards.Main technical data 1.Rated current:1,2,3,4,6,10,16,20,25,32 ... Non-trip1.45In<1h trip2.55In 1s~60S tripInstantaneous(Curve C)5In >0.1s Non-trip10In<0.1s tripMagnetic releases operate B curve ...