... 16, 20, 25, 32, 40, 50, 63Rated voltage Ue(AC): 230/400VOperational voltage (AC):Min.24V Max.250/440VNumber of poles ... 10,16,20,25,32,40,50,63Rated voltage Ue(AC): 230/400VOperational voltage(AC): Min.24V, Max. 250/440VRated ... , 2P, 3P, 4P ModelPoles(P) ICU(KA) Rated voltage(V) StandardsMK6-63H1P 10 230 IEC60898-1MK6-63H2P,3P,4P ... valuesReference ambient temperature is 30°C 20KA miniature circuit breaker