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Reclosers

Automatic Load Break Switch NOVA LBS

To meet the growing challenges of quality and continuity in distribution systems, the NOVA LBS automatic load break switch offers greater possibilities, allowing the automation of distribution through intelligent sectioning.

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SF6 free
6 internal voltage sensors
Smart grid ready

Core features

  • Eaton vacuum bottle technology, SF6 free
  • Cycloaliphatic epoxy solid insulation poles
  • Spring-type actuator mechanism for 10,000 operations
  • 6 internal voltage sensors
  • 3 internal current sensors
  • Independent opening and closing handle
  • Painted aluminum mechanism housing (stainless steel option available)
  • IP-54 protection degree (IP-67 option available)

Applications

  • Interrupt and isolate under load condition
  • Sectionalizer function
  • Opening and closing through voltage absence or presence
  • Switch sources for Self-Healing applications
  • Increase in the number of disconnections in the distribution lines at a reduced cost, interrupting the energy supply in smaller areas
  • Increase coordination possibilities
  • Fault supervision point
  • Measurement point: current, voltage, power, power factor, energy, frequency and measurement up to 15th harmonic of voltage and current

Monitored protections

  • Time or curve based overcurrent alarm (phase, ground and negative sequence)
  • Curves: Kyle, IEC, ANSI, Constant and user-defined
  • Inrush
  • Sensitive Earth Fault (SEF)
  • Maximum and minimum voltage
  • Current and power directional flow
  • Sync check
  • Loop Scheme

A new control developed especially for NOVA LBS.

Ready for smart grid applications, the new control meets all current distribution automation requirements allowing an increase in the number of fault isolation areas.
Specifications
Rated voltage 15 / 27 kV
Rated lightning impulse withstand voltage 125 kV
Rated power-frequency withstand voltage  
Dry, one minute 60 kV
Wet, ten seconds 50 kV
Rated normal current 630 A
Rated short-time withstand current 16 kA (3s)
Rated peak withstand current 41,6 kA
Rated line-charging breaking current 2 A
Rated cable-charging breaking current 20 A
Mechanical endurance operations 10.000
Electrical endurance class E3
Mechanical endurance class M2
Mass (Weight) – Switch only 105 kg (231 lbs)
Mass (Weight) – Switch and control 135 kg (298 lbs)
Download Links
  • Recloser general ratings information catalog
    This catalog describes the general ratings and ordering information for Eaton’s Cooper Power series reclosers which are self-contained devices with the necessary intelligence to sense overcurrents to time and interrupt fault currents and to re-energize the line by reclosing automatically.
    (PDF 375 KB , 01/01/2016)
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Eaton is an intelligent power management company dedicated to improving the quality of life and protecting the environment for people everywhere. We are guided by our commitment to do business right, to operate sustainably and to help our customers manage power ─ today and well into the future. By capitalizing on the global growth trends of electrification and digitalization, we’re accelerating the planet’s transition to renewable energy and helping to solve the world’s most urgent power management challenges.
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