Repair work on vacuum circuit breakers no. 1 and 2 at the didamai sewer pumping station, ward no. 56.

Design, manufacture, testing, supply and delivery of 1561 nos. 11kv vacuum interrupters (max. voltage 12kv, normal amperes 2000a, min. rupturing capacity 25ka) of various types suitable for various types of 11kv vacuum circuit breakers

Supply of lot-1: 75nos 132kv sf6 circuit breakers and lot-2: 70nos 132kv sf6 circuit breakers.

Procurement of 33kv vacuum circuit breaker alongwith foundation bolts

11kv, 630a/1250a, 25 ka vacuum circuit breakers for substations,supply and laying of pvc insulated, pvc sheathed xlpe conductor (a2xfy)

Turbomolecular pumping station,vacuum gauge,gauge controller

Testing of transformers, circuit breakers, instrument transformers, protective relays, capacitor bank and calibration of electrical testing instrument of kuju colliery under kuju area.

Miniature circuit breakers (mcb) for ac operation marked to is/iec 60898 (part 1),miniature circuit breakers (mcb) for ac operation marked to is/iec 60898 (part 1),miniature circuit breakers (mcb) for ac operation marked to is/iec 60898 (part 1),miniature circuit breakers (mcb) for ac operation marked to is/iec 60898 (part 1),miniature circuit breakers (mcb) for ac operation marked to is/iec 60898 (part 1),miniature circuit breakers (mcb) for ac operation marked to is/iec 60898 (part 1),miniature circuit breakers (mcb) for ac operation marked to is/iec 60898 (part 1),miniature circuit breakers (mcb) for ac operation marked to is/iec 60898 (part 1),miniature circuit breakers (mcb) for ac operation marked to is/iec 60898 (part 1),miniature circuit breakers (mcb) for ac operation marked to is/iec 60898 (part 1),miniature circuit breakers (mcb) for ac operation marked to is/iec 60898 (part 1),miniature circuit breakers (mcb) for ac operation marked to is/iec 60898 (part 1),miniature circuit breakers (mcb) for ac

12 kv, 1250a abb make vacuum circuit breaker type: vd4 12.12. 40,retrofitting of sf6 circuit breaker type hpa 12/1240c with vacuum circuit breaker type vd4

Maintenance contract for generator circuit breakers gcbs at ntpc koldam