S.T.A.R. Current Reset Fault Indicators consist of a sensor unit with an integral FISHEYE™ Target Display. The closed core CT is used for both sensing the fault current and providing power to operate the FCI.The FISHEYE Display provides 180°visual indication. This unique orange reflective target designates a faulted condition and a black target designates a normal condition. The FISHEYE Display also features a Lexan® cover that provides superior scratch protection for the target window. The sensor unit itself features a clamping mechanism and unique spring action CT design that allows easy snap-on connection to the live conductor with the use of a single shotgun stick.

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. A dead time of 200 ms will activate the inrush restraint feature.

A low pass filter, also a standard feature, will prevent the S.T.A.R. Faulted Circuit Indicator from tripping on high frequency transients like those caused by capacitivedischarges.

The quick response time of the S.T.A.R. Current Reset Faulted Circuit Indicator provides easy coordination with current-limiting fuses and other protection devices. This unique combination of standard features makes the S.T.A.R. Faulted Circuit Indicator extremely reliable.