supply of feeders - 1 & 2 and bus coupler power contactorsfeeders - 1 & 2 and bus coupler power contactors,feeders - 1 & 2 and bus coupler power contactors, 3 pole, 1000v ac, 50hz, suitable for 500 kva,750v ac on load switching under ac-6a category at temperature of 70 degree celsius & coil voltage of 110v +25% - 30% dc wit h surge suppressor, 2no+2nc and place of installation s2k1,, s2k2 and s2k3 as per rdso spec. no. rdso/pe/spec/tl/ 0195-2019 (rev.-0) or latest for switch board cabinet of hog complaint lslrd coaches. note: accepted makes as per a bove spec.: abb model no.af1250-30-11, l&t model no. mvo 820, siemens model no.3rt12766nf36-8ka0 as per lr.n o.el/7.1.108/sbc/lslrd dated 08.11.23 is attached. warranty period: upto 30 months from the date of supply. [ warra nty period: 30 months after the date of delivery ] ]