... over 100A, meters can be contacted current transformer with secondary current 5A or 1A 96, ... , meters can be connected potential transformer with secondary voltage 100V 96 Moving Coil instrument DC AmmeterAccuracy: class 1 ... over 15A, meters can be contacted external current transformer, which secondary current is 5A or 1A ... 600V, meters can be connected potential transformer with secondary voltage 100V