Technical parameters Standards IEC60044-1; IEC 61869-2; NTC 2205; ANSI C57.13; GB1208-2006 Rated primary current 100-1500A Rated load â?¤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 FS10 Mechanical parameters Dimensions (WDH) (mm) 80x110x50 Weight (kg) 2.1 Operating conditions Operating temperature -35C to +55C Daily average temp