supply of working and non-working net 1& 2, power contactors, 3 pole, 1000v ac.working and non-working net 1& 2, power contactors, 3 pole, 1000v ac.,working and non-working net 1& 2, power contactors, 3 pole, 1000v ac operation voltage, 50 hz , suitable for 100kva, 750 v ac, onload switching under ac-6a category at temperature of 70 degree celsius & coil voltage of 110 v +25% -30% dc at temperature of 70 degree celsius with surge suppressor, aux. contacts: 2no+2nc conforming to rdso specification no. rdso/pe/spec /d/tl/0195 -2019 (rev.0) . as per bom, ab b model no. af 190b-30-22rt-12 or siemens, l&t, schneider and c&s make only acceptable. [ warranty pe riod: 12 months after the date of delivery ]