Operating temperature：               -40~85℃ 

Primary Current (Amp.)50/60Hz:        50A~300A 

Accuracy @RL≦10Ω:                Class 0.5-3%

Turns ratio:                        1:20,1:30,1:40,1:50,1:60,1:75,1:100,1:125,1:150,1:200,1:250,1:300,

1:1000; 1:2000; 1:2500; 1:3000; 1:4000; 1:5000 optional

Dielectric Withstanding Voltage (Hi-pot):  4kV/1mA/1min

Insulation Resistance：               DC500V/100MΩ min

Opening Angle：                    180 degree