Home » Tender for 400va Step Down Control Transformer, 415v / 110v With Tapping In Primary. .#* 400va Step Down Control Transformer, 415v / 110v With Tapping In Primary I.e. Common ? 4
00v, 415v, 440 V & Secondary Output ? 110v As Per Is : 12021 ? 1987 ( Reaffirmed ? 2005, India