supply of supply of non deteriorating typesupply of non deteriorating type,supply of non deteriorating fuse cylindrical type 6 amps (nd fuse) for railway signalling circ uits as per rdso spec.no.irs:s-78/92 or latest . note : after tpi inspection 10 nos of sample piece to be se nt for suitability. after the approval of sample piece only bulk quantity to be supplied. [ warranty period: 30 months after the date of delivery ] ] , supply of non deteriorating fuse cylindrical type 20 amps ( nd fuse) for railway signalling ci rcuits as per rdso spec:irs:s-78/92 or latest. note: after tpi inspection , 10 nos of sample to be sent to co nsignee for suitability. after approval of suitability only bulk order to be supplied. [ warranty period: 30 months after the date of delivery ] ] , supply of non deteriorating non indicating type, low voltage electrical fuse for railway signal ling circuits rated current 4 amp. rated voltage 240v ac/dc fuse knife edge type without indication type b ins f 1 confirming to rdso specification no. irs:s-78/92 or latest. note: after tpi inspection , 10 nos of sa mple to be sent to consignee for suitability. after approval of suitability only bulk order to be supplied. [ w arranty period: 30 months after the date of delivery ] ] , supply of non deteriorating non indicating type, low voltage electrical fuse for railway signal ling circuits rated current 6 amp. rated voltage 240v ac/dc fuse knife edge type without indication type b ins f 1 confirming to rdso specification no. irs:s-78/92 or latest. note: after tpi inspection , 10 nos of sa mple to be sent to consignee for suitability. after approval of suitability only bulk order to be supplied. [ w arranty period: 30 months after the date of delivery ] ] , supply of non deteriorating non indicating type, low voltage electrical fuse for railway signal ing rated current 10 amp. rated voltage 240v ac/dc fuse knife edge type without indication type bins f 1 confirming to rdso specification no. irs:s-78/