Supply Of 1 Contactor For Main Transformer Nwp Current Rating 170a-600v Ac/ac-1, 200a.50hz, Main Pole-4, Aux Contact 1no+1nc Contral Voltage 400-430v Ac 2 Feeder Contactor, Current Rating 200 Amps, Voltage Rating 750v Ac Main Pole: 4 Nos., Aux Contact: 2 No + 2 Nc, Control Voltage-380-415v Ac With Surge Suppressor 3 Feeder Contactor 4 Pole, Working Voltage 750v +/- 10%, 50hz Ac, Suitable For Net 1 & Net 2 Circuit Of Lhb Non Ac Coaches.