supply of switch fuse unitswitch fuse unit,switch fuse unit,rated current 100 amp,three phase,triple pole with neut ral link,weather proof,metal clad,air brake,utilization category ac-23a,degree of p rotection ip-2l3,conforming to is or iec60947(parti/2004)&is oriec60947(part-3/1999)with positive make & brake arrangement,suitable for three phase 415 volts,50 hz ac suppl y with inter-lockable cover & rewire able type porcelain fuse units conforming to i s:2086/1993(3rd revision)reaffirmed 2004 withamend.no.1 & having cable entry holes,se aling & mounting arrangements. [ warranty period: 30 months after the date of delivery ] ]