... is mainly used for AC 50Hz (60Hz), rated voltage up to 690V, rated current from 0.16A to 125A of power system, the ... )into the main circuit poles: 3 pole,4pole. 3) subjects rated current rating: C framework includes: 12A, 16A, 18A, 32A, 45A ... (MMC), in particular, intelligent electronic control system or require a rated breaking capacity Ics up 80KA control and protection system of ...