Single-phase Autotransformers (ATM)

ATM autotransformers, are transformers in which there is no real electrical separation between the
primary and secondary winding. A cost-effective and compact solution.

  • Temperature of exercise   40°C
  • Thermal class   B (120°C)
  • Class isolation   I
  • Degree of protection   IP 20
  • Tension of isolation   3000 V
  • Maximum power   14 KVA
  • Primary tension max   1000 V

NOTE: on request, these transformers can be produced with the following characteristics:
• Insulation class II
• Thermal class F (150°C)
• Fuse-holder terminals