supply of procurement of power contactor 4 pole 200 amp, 1000v ac etc.procurement of power contactor 4 pole 200 amp, 1000v ac etc.,power contactor 4 pole 200 amp, 1000v ac, coil voltage 415v ac, 2no + 2nc. aux. contacts, with surge suppressor, as per serial no 3, and item no k-01 & k-02 , of bill of material of rdso spec no rdso/pe/spec/ac/0184-2015 (rev-1) used for feeder contactor net 1 & net 2, and confirming to rdso spec no: rdso/ pe/ spec/ ac/ 0184 -2015 r ev-1, suitable for lhb type ac coaches switch board cabinet. make accepted: 1) m/s. schneid er part no. lc1d1150046n5 + la4da2n + ladn22 or 2) m/s. abb part no. af190b-40-22 or 3) m/s. sie mens part no. 3rt13636ar36 or 4) m/s. l&t part no. mcx-34 only. [ warranty period: 30 months aft er the date of delivery ] ]