Traction Braking Switch Drum Type Ctf 1,2 High Capacity 1500 Amps For 6P Operation Of G7/P4, Locos. One Set Comprising Of Ctf-1 - 01 No., Ctf-2 - 01 No., As Per Spec No. 4Tts.101.005 (A) Alt-8 Or Latest, Conforming To Rdso Smi No.Elrs/Smi/0234 (Rev-0) Dt.16.08.2005 Or Latest, Ctf-1 And Ctf-2 As Per Clw Drg. No.Twd.103,001 Alt-6 .