Supply and Supervision of ETC of Circuit Breakers for DVC Koderma (2 x 800MW) project

SUPPLY- CIRCUIT BREAKER : 420KV, 63KA FOR 1S, 31MM/KV CREEPAGE, 2500A 3 PHASE CIRCUIT BREAKER WITHOUT PIR ALONGWITH SUPPORT STRUCTURE, FOUNDATION BOLTS, INTERPOLE CABLES, OPERATING MECHANISM, CONTROL BOXES AND ALL ACCESSORIES COMPLETE IN ALL RESPECT

SUPPLY- CIRCUIT BREAKER : 420KV, 63KA FOR 1S, 31MM/KV CREEPAGE, 2500A 3 PHASE CIRCUIT BREAKER WITHOUT PIR WITH CONTROL SWITCHING CAPABILITY ALONGWITH SUPPORT STRUCTURE, FOUNDATION BOLTS, INTERPOLE CABLES, OPERATING MECHANISM, CONTROL BOXES AND ALL ACCESSORIES COMPLETE IN ALL RESPECT

SUPPLY- CIRCUIT BREAKER : 420KV, 63KA FOR 1S, 31MM/KV CREEPAGE, 4000A 3 PHASE CIRCUIT BREAKER WITHOUT PIR ALONGWITH SUPPORT STRUCTURE, FOUNDATION BOLTS, INTERPOLE CABLES, OPERATING MECHANISM, CONTROL BOXES AND ALL ACCESSORIES COMPLETE IN ALL RESPECT

SUPPLY- CIRCUIT BREAKER : CONTROLLED SWITCHING DEVICE FOR 3-PH CIRCUIT BREAKER

SUPPLY- CIRCUIT BREAKER : 420KV, SPECIAL CABLES FOR CB / CSD / RP INTERFACING. MODE OF MEASUREMENT SHALL BE CABLE-TRENCH RUNNING LENGTH FROM CIRCUIT BREAKER TO CSD/ RELAY PANEL

SUPPLY- CIRCUIT BREAKER : 400KV, PLATFORM AND LADDER AND IT’S FOUNDATION BOLTS (IF APPLICABLE)

SUPPLY- CIRCUIT BREAKER : SF6 GAS FILLING ADOPTER, INCLUDING COUPLING, REGULATOR, CONNECTING HOSE PIPE UP TO GROUND LEVEL

SUPPLY- CIRCUIT BREAKER : LAPTOP FOR CSD

SUPPLY- CIRCUIT BREAKER : 420KV, PORTABLE SF6 GAS FILLING & EVACUATING EQUIPMENT

SUPPLY- CIRCUIT BREAKER : SF6 GAS FILTERING, DRYING, STORAGE AND RECYCLING PLANT SUITABLE FOR CB AS PER TS

SUPPLY- CIRCUIT BREAKER : 420KV, SF6 GAS LEAKAGE DETECTOR

SUPPLY- CIRCUIT BREAKER : 420KV, CIRCUIT BREAKER OPERATIONAL ANALYZER WITH DCRM AS PER SPECIFICATION

SERVICES- CIRCUIT BREAKER : 420KV, SUPERVISION OF ERECTION, TESTING AND COMMISSIONING OF CONTROLLED SWITCHING DEVICE FOR 3 PHASE CIRCUIT BREAKER

SERVICES- CIRCUIT BREAKER : 420KV, SUPERVISION OF ERECTION, TESTING AND COMMISSIONING OF CIRCUIT BREAKER

SPARES- CIRCUIT BREAKER : 400KV, RELAY POWER CONTACTORS, SWITCH FUSE UNITS, LIMIT SWITCHES, PUSH BUTTON, TIMERS & MCB ETC

SPARES- CIRCUIT BREAKER : 420KV, RUBBER GASKETS, ‘O’ RINGS AND SEALS

SPARES- CIRCUIT BREAKER : 400KV, MOLECULAR FILTER

SPARES- CIRCUIT BREAKER : 420KV, TRIP COIL WITH RESISTORS AND CLOSING COIL WITH RESISTOR (EACH TYPE)

SPARES- CIRCUIT BREAKER : DENSITY/PRESSURE MONITOR

SPARES- CIRCUIT BREAKER : SET OF SPARES FOR PNEUMATIC/ SPRING/ HYDRAULIC OPERATED MECHANISM(AS APPLICABLE )

SPARES- CIRCUIT BREAKER : 420KV, FIXED AND MOVING ARCING CONTACT ASSEMBLIES INCLUDING INSULATING NOZZLES ETC. FOR 1 INTERRUPTER FOR 2500A CB

SPARES- CIRCUIT BREAKER : 420KV, FIXED AND MOVING ARCING CONTACT ASSEMBLIES INCLUDING INSULATING NOZZLES ETC. FOR 1 INTERRUPTER FOR 4000A CB

SPARES- CIRCUIT BREAKER : MAGNETIC VENTILE IF REQUIRED

SPARES- CIRCUIT BREAKER : ACTUATOR RINGS IF REQUIRED

SPARES- CIRCUIT BREAKER : 420KV, CONTROL VALVES IF REQUIRED

SPARES- CIRCUIT BREAKER : AUXILIARY SWITCH ASSEMBLY

SPARES- CIRCUIT BREAKER : 400KV, OPERATION COUNTER

SPARES- CIRCUIT BREAKER : SF6 GAS (15% OF TOTAL QUANTITY USED)

SPARES- CIRCUIT BREAKER : PRESSURE GAUGES & COUPLING DEVICE OF EACH TYPE

SPARES- CIRCUIT BREAKER : PRESSURE SWITCHES

SPARES- CIRCUIT BREAKER : 400KV, TERMINAL PAD

SPARES- CIRCUIT BREAKER : 400KV, CORONA RINGS

SPARES- CIRCUIT BREAKER : 400KV, GRADING CAPACITORS

SPARES- CIRCUIT BREAKER : 420KV, 2500A, ONE COMPLETE POLE (PHASE) OF CIRCUIT BREAKER INCLUDING CSD/CLOSING RESISTOR, GRADING CAPACITOR(AS APPLICABLE), POLE COLUMN, INTERRUPTER, UNIT OPERATING MECHANISM, MARSHALLING BOX BUT WITHOUT SUPPORTING STRUCTURE AND COMMON OPERATING MECHANISM

SPARES- CIRCUIT BREAKER : 420KV, 4000A, ONE COMPLETE POLE (PHASE) OF CIRCUIT BREAKER INCLUDING CSD/CLOSING RESISTOR, GRADING CAPACITOR(AS APPLICABLE), POLE COLUMN, INTERRUPTER, UNIT OPERATING MECHANISM, MARSHALLING BOX BUT WITHOUT SUPPORTING STRUCTURE AND COMMON OPERATING MECHANISM

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