supply of 11 kv and 33 kv ab switch and do fuse assembly supply of 11 kv and 33 kv a.b. switch and d.o. fuse assembly for ranganadi hydro power station, neepco, yazali, arunachal pradesh , 11kv400a, 16kafor3sec, triplepole, singlebreak rocking ( tiltingtype ) , verticalmountingmanuallygang operateda.bswitch, without earth switch.theswitch shall be completed with 9 nos. 11kv grade porcelain insulators, manualoperatinghandle, phasecouplingsquare shaft, verticaloperatingpipe.confirming to is-9921 ( 3 phase per set ) , 33kv600a, 16kafor3sec, triplepole, singlebreak rocking ( tiltingtype ) , verticalmountingmanuallygang operateda.bswitchwithout earth switch.theswitch shall be completed with 9 stacks ( 2unit / stack ) 22kv normal duty type porcelain postinsulators, manual operating handle, phase coupling square shaft, vertical operating pipe. confirming to is-9921 / ( 9385-3090 ) 1980 , ( 3 phase per set ) , drop out unit : 11kv400a, three phase, expulsiontype, channel basemountingdesignd.o.fuseassembly, complete with 6 nos. 11kv grade porcelain post insulator, top & bottom contact parts, fuse carrier barrel etc.confirming to is-9385-1980, ( 3 phase per set ) , drop out unit : 33kv400a, three phase, expulsiontype, channel basemountingdesignd.o.fuseassembly, complete with 12 nos. 22kv grade porcelain post insulator, top &bottomcontactparts, fusecarrierbarreletc.confirming to is-9385-1980 , ( 3 phase per set ) pole. , laying of 4c x10 mm al armoured cable including glanding & termination