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How It Works

When an internal fault occurs the tank pressure rises rapidly. This sudden pressure activates the IFD, releasing a highly visible orange signal that crews can see from 60 feet (20 meters) away from the transformer, day or night.

The IFD also incorporates a standard pressure relief valve (PRV).


How it Works


With the IFD sensor your crews can make faster, safer and more informed decisions from a distance to provide increased worker safety and faster outage restoration.