tender for supply of electrical equipments/components supply of various types of electrical components required at e 400 kv sub station greater noida , dismantling of defective 420 kv cvt (r phase of 400 kv main bus 2nd) and its shifting to store/site at 400kv substation,greater noida , supply of 245 kv cb tripping coil , 220 v, dc , thermal overload relay 16-25 a, suitable for jocky pump. , jumpering of 420 kv cvts modification of its jumper size and all associated work to complete the job. italso includes opening of jumper before dismantling of cvt. , power contactor 3tf 33 coil 22o volt ac (siemens make) , copper blast choke 250 w , jumpering of 245 kv cts (r phase), modification of its jumper size and all associated work to complete the job. it is also includes opening of jumper before repairing of 245 kv ct of above mentioned bay. , supply of 3 phase mcb 32a, 4p, 415 v, ac 50 hz siemens/ l & t make , supply of tripping coil for 145 kv cb , coil voltage 220 v, dc make alston , repairing & overhauling work of220 kvcentre break tandem isolators will be done of220 kv noida sector 20 ckt-2nd at 400 kv s/s greater noida.work of dismantling of male & female moving contact assemlby and porcelain support insulator (if required) repairing of electrical contacts,overhauling of all moving and rotating parts including replacement of ball bearing (if required) will be done of isolator at 400 kv s/s greater noida.all other associated work will be done forcomplete the work satisfactorily.