supply of aux converter input contactor, aux converter pre charging/cooling blower contactor etcaux converter input contactor, aux converter pre charging/cooling blower contactor etc,aux converter input contactor as per medha code no. sp676201018 [ warranty p eriod: 30 months after the date of delivery ] ] , aux converter pre charging/cooling blower contactor as per medha code no. sp676201019 [ warranty period: 30 months after the date of delivery ] ] , isolation switch assembly a-b for maintenance door of aux converter as per medha code no. sp676201020 [ warranty period: 30 months after the date of delivery ] ] , aux converter input capacitor assembly as per medha code no. sp676201023 [ wa rranty period: 30 months after the date of delivery ] ]