supply of hog a & b main power contactors, 3pole, 1000v ac, 50hz, suitable , hog a & b main power contactors, 3pole, 1000v ac, 50hz, suitable for 500kva, 750 vac onload switching under ac-6a category at temperature of 70degree c & coil voltage of 415v+ 10%- 20% ac(250-500 v) with surgesuppressor, 2no+2nc, as per rdso spec no. rdso/pe/sp ec/d/tl/0195-2019 (rev.-0)suitable for switchboard cabinet for hog compliantl slrd coaches. make-abb model no. af1250-30-11, l&t model no.-mvo 820, siemens model no. 3tf69448 cq7z a02 onl y accepted. note: proof of originality and test certificate should be given to the purchaser/ consignee. [ w arranty period: 30 months after the date of delivery ] ]