This Current Transformer, Tropicalised For Busbar And Cable, Has A Line Rated Current Of 250 A And A Secondary Current Rating Of 5 A. This Current Transformer Do Have A 41 Mm X 41 Mm Opening. Compatible With A Triple Output For Bar: 40.5 Mm X 10.5 Mm Or 32.5 Mm X 20.5 Mm Or 25.5 Mm X 25.5 Mm. Burden And Accuracy Class As Follows: Class.5 Maximum Power: 3 Va, Class 1 Maximum Power: 5 Va.