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South Wales Switchgear Retrofit Vacuum Circuit Breaker for Low Type Unit


 
 

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

  • HG12 Range
  • DXD Range
  • DXE Range
  • D4X Range (Monoblock Unit)
  • C4X Range (Monoblock Unit)
  • D8/12X
  • D8/12XD

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

Test Specification of the Low Type Unit:

  • IEC6227 - 100
  • IEC 62271 - 200
Low Type Unit

 

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