supply of set of high capacity (1500 amps) traction braking switch drum type ( ctf 1, 2, 3).set of high capacity (1500 amps) traction braking switch drum type ( ctf 1, 2, 3).,set of high capacity (1500 amps) traction braking switch drum type ( ctf 1, 2, 3) for 6p operatio n of g5/g7/m4 locos as per specn no 4tts.101.005(a) alt-8 or latest and confirming to rdso smi no. elrs/s mi/0234 rev 0 or latest. ctf-1 & ctf-2 as per clw drg 1twd 103 001 alt 6 or latest, and ctf-3 as per clw drg no 1twd 103 028 alt -6 or latest set comprising of ctf1, ctf2 and ctf3. one no each. one set consists o f three items and 3 nos. [ warranty period: 30 months after the date of delivery ] ]