Epoxy Resin Cast Three Phase Potential Transformer Ratio 11 Kv / 110 V, Burden : 200 Va / Phase Ac Class : 1.0 Connection Star / Star, Insulation Level : 12 / 28 / 75 Kv, Specificati On As Per Is 3156-1992, Make : Amitrans / Alpha / Kappa / Kalpa. [ Warranty Period: 12 Months After T He Date Of Delivery ] ]