supply of power contactor with surge suppressor for lhb power car, current rating- 630 amps, rated operational voltage rating 1 kv ac, 50 hz, 3 pole, operating coil 415v+10 / -20%, auxillary contactor- 4no+ 4nc, plate & rail mounting support standard iec / en 60947, suitable for fitment in switch board cabinet of lhb power car coaches, suitable for feeder contactors, bus-coupler & hog contactors, degree of protection |p 20, finger free screw temrinal. make shall be schneider ( lc1-f630 ) or telemechanic france or abb ( a750-30 ) or any railway ( rdsorcfncfmcf ) approved one. suppliers shall furnish necessary proof from oem or authorised dealer of oem for the originality of the supply item. firms offered make :- abb make only part code :- af750-30 with ( 4no+4nc ) . [ warranty period: 12 months after the date of delivery ]