supply of 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 af1250-30 or its equivalent in l&t, siemens only.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 af1250-30 or its equivalent in l&t, siemens only.,hog a & b main power contactors, 3pole, 1000v ac, 50hz, suitable for 500 kva, 750v ac on lo ad switching under ac-6a category at temperature of 70 degree c & coil voltage 415v ac+ 10%- 20% wit h surge suppressor, 2no+2nc, as per rdso spec no. rdso/pe/spec/d/tl/0195-2019 (rev.-0) suitable for swit chboard cabinet for hog compliant lslrd coaches. make (as per rdso spec bill of material) - abb af1250-30 or its equivalent in l&t, siemens only. [ warranty period: 30 months after the date of delivery ] ]