Supply of 245kv, 3-phase, spring operated sf6 circuit breaker along with retrofitting material for 220kv switchyard of ktps-v stage under psd funds

Supply of two 2(two) nos sf-6 gas circuit breakers, 245kv,3150a,3-phase, 50hz individual pole operated by a motor-wound spring-spring operating control mechanism along with galvanized steel support structures including adapter plate, inter-pole cables, terminal connectors, all the accessories, mandatory spares including design, manufacturing, testing, inspection at manufacturer works, packing and forwarding along with supervision of erection, testing and commissioning of breakers at 220kv switchyard of nagarjunasagar main power house, telangana

Spares suitable for aira/marck make actuator operated 50nb ball valves for air lock vessels in ash handling system, ktps-vi stage

Spares suitable for siemens make 420 kv,2000amps,tp 415v motor operated centre break isolator with single earth switch type 400 kv hcb installed at 400 kv switchyard

Spares for abb make (present hitachi energy limited)spring operated,220kv sf6 circuit breaker

For major overhauling of 220kv pneumatic operated, sf6 circuit breaker installed at 220kv substation naubasta under etd-ii, kanpur.

Procurement of 220kv sf6 circuit breaker for ntpc tanda