11kV/12KV indoor cast resin current transformer 1)it has test report 2)primary current :from 5A to 2000A3).sendary current :5A(or 2A , 1A)4) it is also used for double current ratio: such as 200/5/5A, 400/5/5A and so on.5)accuracy class: 0.5 , 5P10 , 0.2 /0.5/10P10, 5P15 , 5P20 ....and so on6)buden:10VA , 15VA ,20VA , 30VA7).rated insulation..