... Rated operating voltage Ue380V Number of poles3,4Rated ultimate short-circuit breaking capacity Icu 380V/50HZ O-CO KA100182570150160253670150250253670150400354570150630354570150Rated service ... cycles8500Electrical endurance1500Mechanical endurance7000Ionization distance mm≤30/0Over current trip unitThermal magnetic release100,160,250,400,630Intelligent trip unit400,630 Molded Case Circuit Breaker