supply of power contactor, 3 pole, 1000v ac 800a, 50hz, suitable for 500kva, 750v ac on load switchingunder ac -6a catageory at tempreature of 70 degree c & coil voltage of 110v+ 25%-30%(48-130 volt) dc with surge suppressor, 2no+2nc, according to bill of material o f rdso spec no rdso/pe/spec/d/tl/0195-2019 (rev-0) similar to abb make model no af1250-30-11, make- abb/siemens/scneider or equivalent. material should be same in dimension as abb make model no af1250-30 material procured from oem or authorized dealer only. proof of originality and test certificate should be given by the supplier along with offer. without certificate material will not be acceptedpower contactor, 3 pole, 1000v ac 800a, 50hz, suitable for 500kva, 750v ac on load switchingunder ac -6a catageory at tempreature of 70 degree c & coil voltage of 110v+ 25%-30%(48-130 volt) dc with surge suppressor, 2no+2nc, according to bill of material o f rdso spec no rdso/pe/spec/d/tl/0195-2019 (rev-0) similar to abb make model no af1250-30-11, make- abb/siemens/scneider or equivalent. material should be same in dimension as abb make model no af1250-30 material procured from oem or authorized dealer only. proof of originality and test certificate should be given by the supplier along with offer. without certificate material will not be accepted,power contactor, 3 pole, 1000v ac 800a, 50hz, suitable for 500kva, 750v ac on load switc hingunder ac -6a catageory at tempreature of 70 degree c & coil voltage of 110v+ 25%-30%(48-130 volt ) dc with surge suppressor, 2no+2nc, according to bill of material o f rdso spec no rdso/pe/spec/d/tl /0195-2019 (rev-0) similar to abb make model no af1250-30-11, make- abb/siemens/scneider or equival ent. material should be same in dimension as abb make model no af1250-30 material procured from oe m or authorized dealer only. proof of originality and test certificate should be given by the supplier along with offer. without certificate material will not be accepted [ warranty peri