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Circuit Breaker for Brush Switchgear Oil Circuit Breaker Type VBA


 
 

Systems Power Engineering Limited at the forefront of retrofit vacuum circuit breakers design and manufacture with their new Brush Switchgear retrofit VBA vacuum circuit breaker utilising a well proven spring mechanism technology.

Technical Specification:

  • Rated voltage - 12 kV
  • Rated short circuit breaking current - 25 kA
  • Rated short time current 3 seconds - 25 kA
  • Rated peak withstand current - 62.5 kAp
  • Rated peak making current - 62.5 kAp
  • Rated normal current - 400/630
  • Rated basic Impulse Level - 75 kVp
  • Rated Power Frequency - 28kV 1 min
  • Mechanical endurance class - M2 10,000 operations
  • Electrical endurance test class - E2<
  • Rated operating sequence - O-0.3s-CO-15s-CO
  • Partial discharge - <10pc @ 13.2 kV

Test Specification of the VBA:

  • IEC6227 - 100
  • IEC 62271 - 200
VBA

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