Onan/onaf type traction power transformer along with all accessories required for its commissioning as per rdso s specification no. ti/spc/psi/trnpwr/3201

25 kv potential transformer type-ii of ratio 27.5kv/110 v

Procurement of 420 245 145 36 kv capacitive voltage transformers (cvt) potential transformer (pt) for different transmission zones under jusnl tr. system.

Disconnector assembly kit suitable for lightening arrestor of 42kv as per rdso specification no.- ti/spc/psi/mogtla/0101(02/2015) or latest.

Silica gel breather for 132 kv/25 kv, 21.6 mva power transformer capacity 08 kg. poly carbonate clear view body with aluminum top & bottom flange with oil cup, filled with orange silica gel, model-dto-8 as per rdso spec no. ti/spc/psi/trnpwr/3201.

Supply, installation, testing and commissioning of double pole sf-6 circuit breaker 110 kv or 132 kv, 1600 amps with accessories (including terminal connector)as per rdso specification no. ti/spc/psi/hvcb/0121 with a&c slip no.1 or latest. make of abb or schneider.

25 kv 1250 amps single pole isolator as per rdso spec. ti spc psi isoltr 0210 with a and c slip no. 1 and 2 with arcing horns, operating rods, operating rod guides, mounting base, insulators (pin & pedestal insulator set and rod insulator), terminal connector ri 1009, pad lock & aluminium strip but without earth contact assembly with complete set including all sps and accessories.

Inhibited mineral insulating transformer oil as per is: 335/2018 and railways requirement as per rdso letter no. ti/psi/insoil/policy/19 dated 26/07/2019

Post insulator for 25 kv isolator and bus bars (ri 6090) as per rdso specification no. ti/spc/ohe/ins/0071 (apr percent u20192022) or latest.

Provision of drop out fuse assembly across 25 kv potential transformer (type 1) at feeding station, ssp and sp in palakkad division