Outdoor fused cutouts

MV fuses and fuse cutouts, provide main or back-up protection against overload and overcurrents.

ABB is market leader in ANSI fuse cutouts, with its wide portfolio including porcelain, hydrophobic silicon and the unique polymer-concrete material. The light but robust design is able to offer longer life expectancy even in case of extreme weather conditions or highly contaminated environment.

ABB offers both current limiting and expulsion (non-current limiting) fuses for medium voltage systems. Fuses are tested according to IEC or ANSI standards, depending on design and market preferences. Two housing materials are applicable – porcelain and resin-fiberglass. Both of them are characterized by high mechanical and thermal resistance.

ABB fuses have a special design for each application and are suitable for the protection of distribution transformers (current and non- current limiting), voltage transformers (current limiting only), capacitor banks (current limiting and expulsion), motor circuits (current limiting only) and cutouts (non-current limiting only).

The fuses can operate as sole devices or can be combined with air insulated and SF6-insulated switch disconnectors.

Why ABB?

  • Wide application experience coming from designing of protection in medium voltage systems
  • Coordination with ABB products where fuses are applicable (air and SF6 insulated switchgear with load break switches, distribution transformers and contactors)
  • Extensive knowledge for recommending optimal protection arrangement with special attention to safety and reliability

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