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RadioRANGER Underground Wireless Fault Indication System

The RadioRANGER solution reduces the need to access vaults or open pad-mounted enclosures to retrieve the FCI status, decreasing fault-locating time and improving utility personnel safety.

SEL-ARU Underground AutoRANGER Fault Indicator

SEL Underground AutoRANGER Fault Indicators are reliable, self-adjusting, settings-free faulted circuit indicators suitable for applications with fault current ranging from 50 A to greater than 1,200 A. They are designed for a variety of underground applications and can be paired with a range of display options.

SEL-GFD Underground Ground Fault Detector

Reliable ground fault detection for three-conductor cable applications.

SEL-SR Underground Secondary/Low-Voltage Reset Fault Indicator

Arms and resets from transformer secondary voltage—no minimum load current necessary.

SEL-TR Underground Timed-Reset Fault Indicator

Automatic timed reset provides permanent and transient fault-finding capability.

SEL-8301 Underground Distribution Sensor

Optimize outage management and improve underground reliability.

SEL-8315 Underground Phase Comparison Fault Indicator

Quickly identify faults in transmission cable splices and communicate to line crews using the RadioRANGER.