Tender For supply of power contactor 4 pole, 350 amps, 50 hz 3 phase, operating coil volt 230 240v ac with side mounting auxiliary contact block 1 no + 1 nc. & surge suppressor. make : abb ek 210-40-11 am - 240v ac, auxiliary contactor cal 16-11b, rc - eh300 / 415 or equivalent of siemens / schneider make confirming to rcf spec. no. edts 073, rev - d, amnd. - 6, for switch board cabinet of lhb ac coach.