DROP-OUT FUSE

DROP-OUT FUSE

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DROP-OUT FUSE

  • D.O Fuse sets are  of  11KV,22KV & 33KV voltage class, outdoor, vertically mounted are required for protection  of  transformers  and tapping points.
  • Conforming to Indian Standard IS: 9385 (Pt. 1-111)  & International Standard with latest amendement.
  • Rated current of D.O fuse sets shall be 50A/ 100A/200A/400A.
  • D.O Fuse  Cut Outs  are  expulsion type. The  Breaking capacity shall  be  8  KA  (asymmetrical).
  • Fuse base of D.O Fuse shall be Porcelain/Solidcore/ Polymeric  type.  Fuse tube/barrel shall be  made of fibre  glass/ S.R.B.P, Fuse carrier Top  & bottom assly. shall  be  made of  non-ferrous casting.
  • All ferrous parts  are  Hot-Dip-Galvanized as per IS: 2629,1S: 2633,1S: 6745  & all  non-ferrous  (Copper/ Copper  alloy /Brass /Bronze/G.M)  contact parts  are  electro Silver plated for  corrosion resistance and efficient current flow.
  • Expulsion type D.O fuse cut outs can be classified into following categories  :
  1. i) Channel type/ Bracket type/ Single vent type (downward) etc.  (according to  typical construction),
  2. ii) Single Phase/Two Phase/Three Phase  (according to no. of  Phases),