supply of control transformercontrol transformer,control transformer 200va,750v/415v, 1 phase, dry type and air cooled control transfo rmer for lhb power cars and ac coaches. accepted make: bhasin packard, nacei, ael, ramyaa,ab rol,trolex,om industries. as per rdso specification no rdso/pe/spec/ac/0203-2020 (rev-0) as per dr g. no. rdso/pe/sk/ac/0223-2020. material shall procure said oem or his authorized dealers only. supplier s hould provide to consignee one number material for testing before bulk supply . note: firm other than oem s should submit document showing proof of purchase of tendered item from the oem along with the materi al failing which the material shall be rejected. [ warranty period: 30 months after the date of delivery ] ]