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IEC outdoor vacuum circuit breaker OVB-VBF

Medium Voltage circuit breaker with spring mechanism designed for distribution systems up to 40.5 kV, 2500 A, 26.3 kA.

These circuit breakers are of live tank design. The vacuum interrupters are housed in hollow porcelain insulators filled with SF6/Nitrogen gas at 0.5 bar above atmospheric pressure to safeguard against condensation. A spring operated mechanism is housed in a weather-proof cabinet and a sturdy extruded steel angle structure is used for mounting the breaker.  Simple and reliable spring mechanism minimizes operating energy and ensures longer mechanical life. 
 

Why ABB?

  • Maintenance-free poles
  • Top and bottom terminals with NEMA 4 drilling
  • Suitable for self-reclosing cycles
  • Pole covers and cups made of anodised aluminum
  • Inspection window placed in the pole support tank opposite the operating mechanism signals

 

 

 

 

 

 

 

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