Supply Of Feeder 1 & 2 And Bus Coupler Power Contactors 3 Pole, 1000 V Ac, 50hz. Suitable For 500 Kva, 750 V Ac On Load Switching Under Ac-6a Category At Temperature Of 70 Degree Cesius And Coil Voltage Of 110v +/- 25% -30% With Surge Suppressor 2no + 2nc As Per Rdso Spec. Rdso/pe/spec/tl/0195-2019 Rev. 1 Or Latest Or Suitable For Switch Board Cabinet Of Hog Compliant Lsrd Coaches. Make: Abb Af1250-30 Or Its Equivalent In L&t/siemens Only Accepted..