... to 5000ASpecificaionsSecodary current: 5A/1ARated Insulation Voltage :0.72KVRated Test Voltage :3KVRated Frequency :50/60 HzAmbient ... 2004 CQM,CNAS 00212E20583R0M Scope: Production of current and voltage transformers, Ameters, Vmeters, MCBs, ELCBs, AC contactors, ... 2008 CQM,CNAS 00212Q11739R0M Scope: Production of current and voltage transformers, Ameters, Vmeters, MCBs, ELCBs, AC contactors, ...