bids are invited for 11 kv 24 panel switch board design engineering manufacturing shop testing inspection packing delivery to site of 11 kv switchboard , spare incomer breaker with trolley and 3 phase line pt mounted , spare outgoing breaker with trolley of each size and rating , numerical feeder protection and control relay of each type , numerical transformer differential protection and control relay of each type , single phase current transformer for each type and rating , single phase current transformer for differential protection for each type and rating , pt primary fuse of each rating , pt secondary fuse mcb , spring charging motor , surge arresters , tnc control switch , closing coil , tripping coil , ammeter selector switch , voltmeter selector switch , bus support insulator used in bus bar compartment of each type , bus support insulator used in cable compartment of each type , anti pumping relay , dc failure relay , master trip relay , 24 window annunciator , 10 window annunciator , hooter , led indication lamps 110v dc for each colours red yellow biue green clear white amber , led indication lamps 110v ac for each colours red yellow and biue , service test limit switches of each type and rating , limit switches used in vcb of each type and rating , electrical contact grease , installation and commissioning support as per engineering specification cd css 11kv sb es. , modular electrical enclosure switch board boxes for modular type accessories total quantity : 76