145kV / 40kA Live Tank Vacuum Circuit Breaker


  • Single Break
  • Compact / Light weight
  • Easy Maintenance
  • Long life
  • Low operating energy
  • No usage of SF6 Gas
    (Dry Air insulated)


Rated Voltage 145 kV

Rated normal current

2000 A
Rated breaking current

40 kA

Rated duration of short circuit

3 s
Rated power frequency withstand voltage 275 kV
Rated lightning impulse withstand voltage 650 kV
Rated frequency 50 / 60 Hz
Operating method Motor-charged spring
Applicable Standard IEC 62271-100-2003

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