supply of hog a & b main power contactorshog a & b main power contactors, hog a & b main power contactors, 3pole, 1000v ac, 50hz, suitable for 500 kva , 750v ac on load switching under ac-6a category at temperature of 70 degree c & coil voltage, 415v ac+ 10%- 20% with surge suppressor, 2no+2nc, as per rdso spec no. rdso / pe / spec / d / tl / 0195-2019 ( rev.-0 ) suitable for switchboard cabinet for hog compliant lslrd coaches. make ( as per rdso spec bill of material ) - abb ( model no. af1250-30-11 ) , l&t ( model no. mvo 820 ) , siemens ( model no.3tf69448 cq7z a02 ) only. [ warranty period: 30 months after the date of deliver y ]