supply of set of high capacity (1500 amps) traction braking switch drum.set of high capacity (1500 amps) traction braking switch drum.,set of high capacity (1500 amps) traction braking switch drum type ( ctf 1, 2, 3)for 6p operation of g5/g7/m4 locos as per specn no 4tts.101.005(a) alt-8 or latest and confirming to rdso smi no. elrs/smi/0234 rev 0 or latest. ctf-1 & ctf-2 as per clw drg 1twd 103 001 alt 6 or latest, a nd ctf-3 as per clw drg no 1twd 103 028 alt -6 or latest set comprising of ctf1, ctf2 and ctf3.on e no each. one set consists of three items and 3 nos. spec:not applicable as per drg.no. 1twd.103.0 01 alt 6 or latest & drg.no.1twd.103.028 specn: not applicable [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]