T3B Series Three-phase dry-type transformersfrom 50 VA a 100.000 VA.

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