Tenders for Supply of Set Of Rotary Switch 04 Item & 06 Nos: Failure Mode Operation Abb Doc No Hbtb58580 R1032 Or Latest, Bogie Cut-Out Switch Abb Doc No Hbtb58580 R1022 Or Latest 01 Each, Vigilance Device Cut-Off Switch Abb Doc No Hbtb585580 R0034 Or Latest & Switch Cab Heater/Fan Abb Doc No Hbtb585580 R5022 Or Latest To Specn. No. Clw/Es/3/0108 Or Latest 02 Each.