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TPR

Test Point Reset

The SEL TPR Test Point Reset is an underground faulted circuit indicator (FCI) that attaches to capacitive test points in single- or three-phase systems. It replaces the protective cap on capacitive test points, acting as the new cap with the added benefit of providing fault indication. The TPR eliminates the need to account for the position of the concentric neutral, as is common with cable-mounted FCIs, and automatically resets upon system voltage restoration.

The TPR is easy to install with any industry-standard hotstick and the molded rubber hook eye. Powered by voltage, the TPR does not have a minimum load current requirement, making it great for lightly loaded circuit applications.

Starting At

69 USD

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Easy, Cost-Effective Solutions—Choose the most cost-effective fault indicator in the industry for elbow test point applications. The Test Point Reset (TPR) is easy to install on most brands of 200 A- or 600 A-class elbows with capacitive test points and is ideal for pad-mounted transformer and switchgear applications.

SEL Fault Indicator for Wind Farms—Install the TPR in wind farms that use terminations equipped with capacitive test points located on the T-body of 600 A terminations. By selecting a high nominal trip rating and a longer trip response time, you can use this cost-effective, nondirectional fault indicator to find faults on circuits with distributed generation.

Solar Photovoltaic Plants—Apply the TPR in solar photovoltaic plants that use terminations equipped with capacitive test points located on the T-body of 600 A terminations.

Single- and Three-Phase Feed-Through Pad-Mounted Transformers—Monitor the cable in feed-through transformers to quickly identify faults, including those caused by dig-ins, aging cables, and wildlife.

Junction Cabinets—Speed up FCI deployment in junction cabinets on elbows and T-bodies with test points. The TPR’s simple installation is ideal for the space constraints and large number of cables in the cabinets.

Video

How To Install Test Point Reset (TPR) Fault Indicator

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How To Install Test Point Reset (TPR) Fault Indicator
FeatureOptions
Phase1 or 3 Ø
LEDBEACON LED
Display
  • Integral “I”
  • Standard Remote “V”
  • Large Remote “L”
  • Bolt “B”
  • Magnetic probe (RadioRANGER Wireless Fault Indication System required)
Nominal Trip Rating60 to 1,200 A
Other
  • Battery-powered auxiliary contact “A”
  • Delayed trip (24 ms) “DT”
  • 200 A-class junction shields “J”
  • 600 A-class junction shields “J6”
  • Window-mounting kit for large remote display “W”
Power SourceCapacitive test point voltage
Nominal Trip Ratings60 to 1,200 A
Trip Tolerance±10%
Reset Voltage (L-N)≥5 kV
ResetAutomatic at minimum voltage
Reset Time3 minutes typical, dependent on system voltage
Maximum Fault Current25 kA
Trip Response Time1 ms (optional 24 ms with delayed trip)
Inrush Restraint Response Time300 ms
Elbow Style200 A- or 600 A-class with test point
Housing MaterialConductive EPDM rubber