VS1 Vacuum Circuit Breaker (12 kV)

Indoor AC vacuum circuit breaker, commonly the fitted breaker element inside KYN28-12. Brand grade is often specified by the buyer.

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Common Models

  • VS1-12/630-25
  • VS1-12/1250-31.5
  • VD4-12/1250-31.5

Specifications

ParameterValue / Specification
Ratedvoltage12 kV
Ratedcurrent630 / 1250 A
Breakingcapacity25 / 31.5 kA
StandardGB/T 1984, IEC 62271-100
ApplicationIncomer / feeder breaker in KYN28
Note: parameters above are typical values for common models. For a specific project, confirm the exact rating, type-test report and applicable standard with the manufacturer / design institute.

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