3 Pole Power Contactor 415 V ,50Hz, Ac-3 -170 A Duty With Auxiliary Contact 2No+Nc Block, Coil Volt -110 V Ac , Rating -170A, As Per Iec- 60947, Is- 13947 Or Latest. Model-3 Tf 52 Of M/S. Siemens Or Equivalent In Bch, Abb, Schneider, C&S, L&T Or Any Isi Marked Product With Past Performance In Railway In Last 3 Years. [ Warranty Period: 12 Months After The Date Of Delivery ] ]