supply of feeder contactorfeeder contactor,feeder contactor 4 pole, working voltage 750v +/- 10%, 50hz ac, suitable for net 1 & net 2 circuit of lhb non ac coaches, 100a current ratin g, operating coil voltage 110v ac, ac1 duty. auxilary contact with 2no+2nc block contact conforms to iec 60947-4.1.ui:1000vac/11:100a i.e.ac1 100a & rcf spec.no. edts 355 rev 01 or latest. similar to abb model no. af 50-40 ( product ref code 15bl357201) & auxiliary contact abb model no. ca-5-22e. fix ing dimensions of contactor shall confirm to abb model. no. af 50-40. make- abb and other similar. [ warranty period: 30 months after the date of deliver y ] ]