supply of single bottle vacuum circuit breakersingle bottle vacuum circuit breaker, single bottle vacuum circuit breaker ( vcb ) of electric locos as per clw spec no. clw / es / c-47 alt. g as per drg.no. nil spec : as per clw / es / c-47-, alt.g dlw pl no. 25712202, description main circuit breaker 9 vcb ) with its connector and 0.5 % extra flexible reinforced rubber 27 long air hose pipe i / d 5 / 16 with 3 / 8 bsp female coupling fitting at both end as manufacturing spares. cat. no. n / 0083 c & d no / stock no. t016 / 006 spec: spec no.clw / es / c-47 / h. [ warranty period: 30 months after the date of delivery ]