Tender For supply of power contactor for feeder - 1 & feeder- 2 and bus coupler, 3 pole, 1000v ac, 50 hz, suitable for 500kva, 750v ac on load switching under ac-6a category at temperature of 70 degree celsius & coil voltage of 110v+25% -30% dc with surge suppressor, aux. contacts 2no+2nc as per rdso specification no. rdso/pe/spec/tl/0195-2019 (rev.0) suitable for switch board cabinet for hog compliant lslrd coaches. [ warranty period: 30 months after the date of delivery ]