supply of hog a & b main power contactors, 3pole, 1000v ac, 50hzhog a & b main power contactors, 3pole, 1000v ac, 50hz,hog a & b main power contactors, 3pole, 1000v ac, 50hz, suitable for 500 kva, 750 v ac onload switching under ac-6a categ ory at temperature of 70 degree c & coil voltage of 415v+ 10%- 20% ac(250-500 v) 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 l slrd coaches.make-abb model no. af1250-30-11, l&t model no.-mvo 820, siemens model no. 3tf69448 cq7z a02 only (as per rdso spec firm must submit data sheet and certificate along with material s upply) [ warranty period: 30 months after the date of delivery ] ]