Overhead Line Fault Indicator
Four-Faith Overhead Line Fault Indicators are usually used in radial medium and high voltage overhead line distribution networks, which neutral points are ineffectively grounded. Short-circuit fault and single-phase earthed fault can be detected and indicated by mechanical flag and three ultra-bright blinking LEDs, which can be seen from 360º sight. The fault information and load current value can also be transmitted to the SCADA by 2G/3G/4G networks.
  • JYZ-HW-FI Remote Overhead Line Fault indicator
    The earth-fault and short-circuit fault indicator type JYZ-HW-FI V1.0 are usually used in radial medium and high voltage overhead line distribution networks, which neutral points are ineffectively grounded. Short-circuit fault and single-phase earthed fault can be detected and indicated by three ultra-bright blinking LEDs, which can be seen from 360º sight. 
  • JJZ-FF-C Overhead Line Fault Indicator
    • The JJZ-FF-C overhead fault indicators are used in 5~38KV overhead line networks, enable the electricity distribution network engineers to quickly identify the faulty section of network and restore power supplies to customers on healthy sections in the shortest time possible.
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    • A high accuracy current sensor in the JJZ-FF-C overhead line fault indicator, monitors the phase current flowing. When detecting current level exceeds a user-selectable threshold (as a result of a phase-to-phase or phase-to-ground fault), the fault is indicated at the same time by both mechanical Flag Indicator, and flashing, high-power LED indicator.
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    • The fault is located between the last Fault Circuit Indicator that has been triggered and the first indicator which is still inactive. The path of the fault current from the feeding point to the fault location is marked by the triggered indicators.The unit of the fault passage indicator resets automatically when power to the fault line is restored, or after a user-selectable timer period.
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    • The fault passage indicator can be mounted under live conditions with the help of an adapter and a hot stick. The indicator could be self-sustained by the monitored network from a current flow of 10A upwards. The electric fault indicator also with built-in lithium battery that could powered the indicator for more than 10 years.
  • JYZ-FF-FI Remote Overhead Line Fault Indicator
    The JYZ-FF-FI Remote Overhead Line Fault Indicators are usually used in radial medium and high voltage overhead line distribution networks, which neutral points are ineffectively grounded. Short-circuit fault and single-phase earthed fault can be detected and indicated by mechanical flag and three ultra-bright blinking LEDs, which can be seen from 360º sight. The fault information and load current value can also be transmitted to the SCADA by 2G/3G/4G networks.
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