25 Kv Out Door Type Potential Transformer Type - I Of Ratio 27.5Kv /100V As Per Rdso'S Sp Ec. No. -Ti/Spc/Psi/Pt/0210(06/2021) And Str: Corestr-08 Or Latest. Make :-Rdso Approved Vendor Sources. [ Warranty Period: 30 Months After The Date Of Delivery ] ]