Available Options COLORS --- Please Select --- Green Grey Other Transformer Type OIL EXPANSION TANK HERMETIC Transformer Model 11/0.4KV (Aluminum Winding) 11/0.4KV (Copper Winding) 15/0.4KV (Aluminum Winding) 15/0.4KV (Copper Winding) 20/0.4KV (Aluminum Winding) 20/0.4KV (Copper Winding) A PLUS 33/0.4KV (Aluminum Winding) A PLUS 33/0.4KV (Copper Winding)