Tested and proven.Millions of times

and counting.

For more than 20 years, and in millions of installations around the globe—from the remote fjord region of Norway, to São Paulo’s crowded neighborhoods, to the bustling streets of Dubai, Mumbai, and Lima—FR3®  fluid has

helped transformers operate longer, and more efficiently, flexibly, safely, and reliably. Is there any doubt that FR3 is better than mineral dielectric oil? There shouldn’t be. Formulated for performance.