Standards IEC60044-1; IEC 61869-2; ANSI C57.13; NTC 2205; GB1208-2006 Rated primary current 300-600A Rated load 10VA Rated frequency 50Hz or 60Hz Rated secondary current 5A or 1A Rated short-time thermal current 40kA, 1S Rated continuous thermal current 120%I1n Secondary winding power-frequency voltage 3kV, 1min Instrument security factor FS 10 Mechanical parameters Dimensions (WDH) (mm) 50x110x32 Weight (kg) 1 Operating conditions Operating temperature -35C to +55C Daily average temp