Fault Indicators and Sensors
Schweitzer Engineering Laboratories, Inc. (SEL)
This technology detects overcurrent faults on overhead and underground lines to speed up power restoration and enhance protection.
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Product
Overhead Fault Location
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Schweitzer Engineering Laboratories, Inc.
Overhead faulted circuit indicators include easy-to-spot displays to help direct line crews to the faulted line sections—enabling faster restoration of power and improved customer uptime.
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Product
Overhead Enhanced Protection
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Schweitzer Engineering Laboratories, Inc.
These products enhance distribution protection by helping relays make better tripping and reclosing decisions based on the location of a fault.
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Product
Underground Fault Location
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Schweitzer Engineering Laboratories, Inc.
Underground faulted circuit indicators identify the faulted cable section without a time-consuming re-fuse and sectionalize process. Applications include subsurface or pad-mounted transformers, switchgear, sectionalizing cabinets, junction boxes, and splices.
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Product
Tools And Accessories
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Schweitzer Engineering Laboratories, Inc.
A variety of sensors and tools that can improve distribution system understanding and troubleshooting.



