supply of transformer oil cooler blower motortransformer oil cooler blower motor,transformer oil cooler blower motor - three phase two speed induction motor with b4 type frame size 100 suitable and compatible with abb/siemens make transformer (1250kva) used in medha make 3 phase emu motor coach as per rdso specification no.rdso/pe/spec/emu/0163-2012(rev-1) make:abb, hindustran or equivalent, type:b4, frame size-100, 3ph, 50hz,415v ac,0.4/1.6kw (0.54/2.2hp), amps:1.10/3.50,dual speed:1430/2920 rpm,cos o 0.75/0.84,with efficiency 73/81%, ip56,class of insulation-h. [ warranty period: 30 months after the date of delivery ]