Instrument transformers

As an essential link for the safe and efficient operation of transmission networks, instrument transformers provide accurate and reliable current and voltage measurements for secondary equipment such as meters, protection relays, bay computers and other devices.

Alstom Grid offers the most comprehensive range of instrument transformers up to 1200 kV. Examples of our electrical instrument transformers products include:

  • Current Transformers 
  • Voltage Transformers 
  • Non-conventional Instrument Transformers 
  • Capacitor Voltage Transformers  
  • Combined Metering Units. 


With more than 200,000 instrument transformers in service and over 100 years experience, Alstom Grid offers a comprehensive choice of proven, cutting-edge technologies.


Associated services: Instrument transformers services