An Underground Fault Indicator That’s Versatile and Worry-Free

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Reduce the duration of outages and streamline your underground fault-locating solutions with the LINAM UGFI Underground Fault Indicator from SEL. This versatile device offers several advantages:

  • Industry-leading adjacent-phase immunity technology—Prevent false trips caused by magnetic interference from nearby cables.
  • A self-adjusting trip algorithm and a universal cable clamp—Simplify your inventory by applying the LINAM UGFI throughout your system.
  • Rugged, submersible, battery-free design—Deploy with confidence in harsh underground environments.
  • Easy installation—Install with a single hot stick on medium-voltage underground cables.

The LINAM UGFI exceeds IEEE 495 testing standards. And with an auxiliary output and factory-configurable options that include three automatic reset methods, a wide range of fixed trip thresholds, and several display options, this may be the only underground fault indicator you need.

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