Instrument Transformers

Pfiffner’s wide range of products insulated with oil-paper or SF6 offer an optimal choice of high-quality instrument transformers with a long lifetime.

Products with the latest and state-of-the-art design

Voltage and current transformers are hermetically sealed. All products have a high level of safety against explosion hazards and meet the latest international standards.

They all have aluminuim casings and are available with silicone composite (LSR) or for oil-paper insulated transformers with porcelain (C130) insulators if requested. All instrument transformers are available with various creepage and arcing distances.


  • Current Transformers
  • Inductive Voltage Transformers
  • Capacitive Voltage Transformers
  • Combined Transformers