470:600 Ohms Vf Transformer Assembly (2T) Suitable For Underground Telecom Cable Circuits As Per Rdso Specs: Irs /Tc 76/2000 With Amndt No 1 Or Latest. [ Warranty Period: 30 Months After The Date Of Delivery ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitted: Max 8 Lacs ] ]