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How It Works

When a low impedance internal arcing occurs the pressure rises rapidly inside the transformer. This sudden pressure rise activates the IFD, releasing a highly visible orange indicator that shows line crews the transformer is potentially dangerous and must be replaced.

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

 

 

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.