supply of hog a & b main power contactorshog a & b main power contactors,hog a & b main power contactors, 3 pole, 1000v ac, 50hz, suitable for 500kva, 750 v ac on l oad switching under ac-6a category at temperature of 70 degree c & coil voltage of 415v + 10% -20% ac with surge suppressor, 2 no. + 2nc, as per attached rdso spec no. rdso/pe/spec/d/tl/0195-2019 (rev -0) s uitable for switch board cabinet for hog compliant lhb lslrd coaches. make ( as per rdso spec bill of mat erial) - abb(model no. af 1250-30-11), l&t (model no. mvo 820), siemens (model no. 3tf69448 cq7za02) for lhb lslrdcoaches in hog panel. [ warranty period: 30 months after the date of delivery ]