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T3B SERIES

THREE-PHASES DRY-TYPE TRANSFORMER

Safety isolating three-phase transformers. Transformers suitable for any use requiring continuous duty at the rated power marked on the plate.

A screw placed on the upper supports (see drawing) makes the transformer ready for earthing.

The connections are carried out through a protected terminal block with a section that varies according to the through-current.

  • Phase displacement unit: Dyn11;
  • Protection rating: IP00;
  • Dielectric strength: 4 KV/50 Hz x 1′;
  • Insulation class: Ta 40°/ E; A,B,F,H on request;
  • Starting current: 15-26 times the primary rated current for about 10ms;
  • Short circuit resistance: not proof;
  • Protection class: I;
  • Operating frequency: 50/60 Hz;
  • Fixing to panel available on request.