... , 30A, 50A, 75, 100A (use Ext. CT 5A)Note: For 60/75/100A direct meter, the class in 2 ... 300V, 450V, 600V(For 450-380KV,should be used with potential transformer whose secondary voltage 100V).Moving Coil Instruments ... , 10A, 20A, 30A, 50A, 75,100A (used with Shunt)Note: For 60/75/100A direct meters, the class in ... , 400V, 450V, 600VNote: Over 6000V should be used with Ext. Resistor. (Rated current 5mA).