supply of 1. change over switch mcb 4 pole, 40 amps, 240/415 volts 2. contactor of 12 amps, 3 pole for cab ac of conventional locomotives1. change over switch mcb 4 pole, 40 amps, 240/415 volts 2. contactor of 12 amps, 3 pole for cab ac of conventional locomotives,change over switch mcb 4 pole, 40 amps, 240/415 volts for cab ac units of conventional loc omotives as per rdso specification no.: rdso/2007/el/spec/0055 rev.2 of nov 2007/ revised on 07.10.20 14 or latest. [ warranty period: 30 months after the date of delivery ] ] , contactor of 12 amps, 3 pole for cab ac of conventional locomotives. make: l&t/siemens/s chneider/abb/bch. note: 1) item should be suitable for 2t capacity roof mounted cab ac of make daulatr am/ fedders lylord/ sidwal fitted on conventional electric locos to rdso specification no.: rdso/2007/el/s pec/0055 rev.2 of nov 2007/revised on 07.10.2014 or latest. [ warranty period: 30 months after the dat e of delivery ] ]