Tenders for Supply of Power Contactor 12 Amps, 415 V, 50 Hz, 4 Pole, Ac-3 Duty, Operating Coil Voltage 110 Volt Dc 77-137 V Dc, With Surge Suppressor Diode 77V-150Dc, And Auxiliary Contact Block Front Mounting 2 No + 2Nc. Make Abb, Model No. Tal-16-40-00 With Auxiliary Contact Block Ca5-22E & Surge Suppressor Rt5/150 Or Schneider Make Cat No-Lcid125fd Or Siemens Make Cat No-3Rt1317-1Bf40, Suitable For Switch Gear Cabinet Of Lhb Ac Coaches.