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IEC current limiting back-up fuse CEF

Distribution transformers protection

Fuse-links type CEF are designed to protect distribution transformers, cables, overhead lines and other apparatus against thermal and dynamic effects of short-circuit currents.

Key benefits:

  • Lower power losses by average level of 20 % comparing to previous design, generating additional savings during product life-cycle
  • Continuous protection and reliable operation guaranteed by robust design and compliance with newest IEC standards
  • Compatibility with other ABB products provides fast and accurate product selection       
  • Outdoor sealing included in standard version, designed and tested for harsh conditions

Key features:

  • Rated voltages 3/7.2 kV – 20/36 kV with rated currents of 6.3 A - 200 A
  • For indoor and outdoor application
  • Designed and type tested acc. to IEC 60282-1, VDE 0670-T4 and VDE 0670-T402
  • Top level breaking performance with currents up to 63 kA RMS
  • Striker 80 N (medium type)
  • Equipped with Temperature Control Unit – additional protection against thermal stresses in small enclosures

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