supply of hog a & b main power contactors , hog a & b main power contactors, 3pole, 1000v ac, 50hz, suitable for 500 kva, 75 0v 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, current rating min 600 amp coil voltage 250-5 00 volt ac/dc - 50 hz , current rating 750 amp . 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 sp ec bill of material) - abb (model no. af1250-30-11), l&t (model no. mvo 820), siemens (model no.3tf694 48 cq7z a02) only. [ warranty period: 30 months after the date of delivery ] ]