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Medium-voltage cable accessories

Faulted circuit indicators

Eaton’s Cooper Power series faulted circuit indicators offer multiple types of FCIs, ranging from basic circuitry models in the delayed reset style to the more sophisticated circuitry of the test point reset and electrostatic reset types.

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Offers load sensing
Simplified stocking
Inrush restraint
Improved performance
Low-pass filter
Reduced tripping

Core features

  • Variable trip technology for one-size-fits-all-appliation
  • Design tested to IEEE Std 495
  • Hotstick-installable
  • Inrush restraint to prevent false tripping due to current inrush conditions
  • Remote fiber-optic cable for convenient remote indication on test point models

Fault indicators

This video discusses the core features and key benefits of Eaton’s Cooper Power series fault indicators.

Load sensing feature reduces inventory needs

The variable trip design eliminates the need to specify a trip rating for the FCI. The load sensing feature adjusts the FCI to normal load conditions, reducing inventory and eliminating problems caused by misapplication of FCIs.

Improve performance with inrush restraint

An inrush restraint feature eliminates false tripping and is standard on all units. The S.T.A.R. faulted circuit indicator will ignore inrush currents caused by reclosing operations of protective devices on the system.

Reduced tripping with low-pass filter

A low-pass filter prevents the S.T.A.R. faulted circuit indicator from tripping on high frequency transients like those caused by capacitive discharges.
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Details

Type description
 Typical system application
 Physical mounting location
 Voltage/current requirements
Test point reset
 Underground
 On the test point of the connector
 Min. 5 kV L-G (2.4 kV for Pathfinder)
Low-voltage reset 
 Underground
 On the URD shielded cable below the connector
 A secondary voltage source (min. 105 volts) 
Electrostatic reset
 Overhead
 On bare or insulated non-shielded cable
 Min. 6.9 kV L-G
Programmable delayed reset
 Overhead
 On overhead bare or insulated non-shielded cable
 None (Lithium battery powered with programmable reset)
Current reset
 Underground and Overhead
 On the URD shielded cable below the connector and on overhead bare or insulated non-shielded cable
 Min. 2.4 A continuous
Download Links
  • Commercial and industrial medium-voltage electrical distribution products brochure
    This brochure outlines Eaton’s Cooper Power series broad commercial and industrial medium-voltage transformer, switchgear, fuse, sectionalizer, switch, regulator, tool, OEM equipment, cable accessory, lightning arrester, power capacitor and recloser offerings.
    (PDF 2 MB , 24/01/2023)
  • Storm season rapid response information
    Eaton’s Cooper Power series product team works together with the engineering services team to provide a full storm response procedure to quickly ramp up operations in anticipation of storm impact for fast product shipment and remediation of damaged apparatus during storm recovery.
    (PDF 619 KB , 25/07/2019)
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