procurement of 132kv sf6 breaker and polymer insulated ct with other accessories, and retrofitting job of replacement of 132kv bocb at plant transformer 1 and 2 bay under capex 2022-23. , procurement of 132kv sf6 breaker & polymer insulated ct with other accessories, and retrofitting job of replacement of 132kv bocb at plant transformer #1 & #2 bay under capex 2022-23. , circuit breaker # additional data: circuit breaker,3p,145kv. sf6, out door, live tank, mechanically ganged. spring operated, complete with all accessories. two trip coil. with structure and retrofitting materials. normal current 2500a.breaking current 40ka. short time current is 40ka for 3 sec. control voltage 240vdc. spring charge motor supply 230vac. iec 62271-100 make hitachi/siemens/ge/cgl/bhel. one extra close coil & trip coil to be supplied with each breaker. item code: m04-e06-00070, hsn: 8538 , current transformer additional data: 145kv, outdoor, single phase, oil filled & dead tank or live tank type (hermetically sealed with nitrogen gas.), polymer insulator. core details: 4 core 1200/5a, 800-200/5a, 800-200/5a, 800-200/5a detail specification enclosed. make hitachi/cgl/ge/bhel/siemens item code: m04-c13-00227, hsn: 8504 , accessories for breaker & ct installatio additional data: gi structure, control cable,connector etc. detail list enclosed. , installation & commissioning of breaker , gst, if any