supply of [feeders-1&2 and bus coupler power contactors, 3pole, 1000v ac, 50hz, suitable for 500 kva, 750v ac on load switching under ac-6a category at temperature of 70%b0 c & coil voltage of 110v +25%-30% dc with surge suppressor, 2no+2nc, as per rdso spec no. rdso/pe/spec/d/tl/0195-2019 (rev.-0) or latest. material should be similar to make abb- af1250-30-11, l&t - mvo 820, siemens- 3tf69338df4z a02+3tx75723h suitable for switch board cabinet of hog compliant lslrd coaches.][feeders-1&2 and bus coupler power contactors, 3pole, 1000v ac, 50hz, suitable for 500 kva, 750v ac on load switching under ac-6a category at temperature of 70%b0 c & coil voltage of 110v +25%-30% dc with surge suppressor, 2no+2nc, as per rdso spec no. rdso/pe/spec/d/tl/0195-2019 (rev.-0) or latest. material should be similar to make abb- af1250-30-11, l&t - mvo 820, siemens- 3tf69338df4z a02+3tx75723h suitable for switch board cabinet of hog compliant lslrd coaches.],feeders-1&2 and bus coupler power contactors, 3pole, 1000v ac, 50hz, suitable for 500 kv a, 750v ac on load switching under ac-6a category at temperature of 70%b0 c & coil voltage of 110v +25 %-30% dc with surge suppressor, 2no+2nc, as per rdso spec no. rdso/pe/spec/d/tl/0195-2019 (rev.-0 ) or latest. material should be similar to make abb- af1250-30-11, l&t - mvo 820, siemens- 3tf69338df4 z a02+3tx75723h suitable for switch board cabinet of hog compliant lslrd coaches. [ warranty perio d: 30 months after the date of delivery ] ]