supply of feeder contactor 4 pole,feeder contactor 4 pole,,feeder contactor 4 pole, working voltage 750v +/- 10% 50 hz ac, suitable for net 1 & net 2 circuit of lhb non ac coaches, 100 a current rating operating coil voltage 110v ac , ac1 duty, auxilary con tact with 2nos + 2nc block contact conforms to iec 60947-4-1 ui: 1000v ac & rcf spec.no.edts-355 rev. 01 or latest. similar to abb model no.af50-40 (product ref code 1sbl357201) & auxilary contact abb mo del no.ca-5-22e. fixing dimensions of contactor shall confirm. to abb model no. af 50-40. supplier shall submit work test certificate along with supply. accepted make:-aeg/abb/siemens/schneider/l&t or simil ar as per bom in rcf spec no. edts 355 rev-1. [ warranty period: 30 months after the date of delivery ] ]