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Nulec N-series

MV Pole-Mounted Automatic Circuit Reclosers

End of Commercialisation

MV reclosers up to 38kV

Nulec N-series
  • Features

    The N-Series three phase pole mounted auto recloser or circuit breaker was developed to achieve optimum performance and reliability, making use of the latest technology in vacuum interrupters housed in an SF6 gas filled tank. With integrated CT’s and VT’s, the design is optimised for automation, remote control, data logging and monitoring applications. A clearly visible, directly connected pointer provides visual indication of the recloser’s position.

    • Rated voltages: 15kV, 27kV and 38kV
    • Rated short-circuit current up to 16kA
    • Rated load current up to 800A
    • 316 grade stainless steel tank
    • Dully insulated bushing arrangement
    • Vacuum arc interruption
    • 850A emergency current (8 hours)
    • Exceptional reliability and service
    • 10,000 operations 

    The Recloser is sold with the ADVC Controller Range

     Controller features include :
    Protection, monitoring, metering, control, communications and power quality > Service Log In 


    • Improve SAIDI and SAIFI indices by automatically reducing outages
    • Defer capital works by offering features that reduce network stresses
    • Easily integrated into Smart Grid applications with advanced capabilities  such as Loop Automation and Automatic Changeover
    • Flexible applications from complex substation or standalone pole mounted through powerful automation and communication features


    • •MV overhead network protection
    • •Substation circuit breakers
    • •Loop Automation
    • •Automatic Changeover
    • •Generator control
    • •Smart Grid 
    • Feeder Automation

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