tender for supply, installation, commissioning, trial & testing of new outdoor vacuum circuit breaker drawout type breaker with complete panel for switchyard at hbl plant sugauli, east ch aran, bihar-845456. , supply, installation, commissioning, trial & testing of new outdoor vacuum circuit breaker drawout type breaker with complete panel for switchyard at hbl plant sugauli as per the following specifications & scope of work mentioned below , 1. vacuum circuit breaker (vcb): a. rating: 12 kv, 2000 amp, 40 ka/3 sec, 3‑pole b. type: drawout type c. spring charging motor: 230v ac d. closing coil/dc shunt trip coil: 110v dc e. auxiliary contacts: 6no + 6nc f. control wiring, operating counter, mechanical on/off push buttons, mechanical indicators (on/off, spring-charged/discharged), manual spring charging device. accessories will be supplied along with vcb : 1. current transformer (ct) 2. protection relays & accessories 3. indication lamps 4. switches & accessories 5. breaker trolley & handles 6. selector switch make: abb/crompton greaves (cg)/siemens/l&t please refer to attached tender document and scope of work for details.