LTB D

with Auto-Puffer for outdoor installation

LTB D is operated by a motor-charged spring operating mechanism type BLK or a digital servomotor-system, Motor Drive. The energy required for interrupting short-circuit current is partly taken from the arc itself, thereby reducing the energy required from the operating mechanism to less than 50 percent compared to a conventional SF6 puffer-type circuit breaker. The low energy requirements result in reduced stresses, which in turn lead to increased reliability.

Options:

  • Can be equipped with Switchsync Controller for elimination of transients
  • Equipment for safer handling of SF6 gas
  • Composite insulators
  • Grey insulators
  • Withdrawable design
  • Extended creepage distance across insulators
  • Bracket for installation of current transformer type IMB
  • Bursting discs



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Documentation and downloads

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Product guide
Live Tank Circuit Breakers - Buyer's GuideEnglish
4.44 MB
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