• Indoor Vaccum Circuit Breaker
  • Indoor Vaccum Circuit Breaker

Indoor Vaccum Circuit Breaker

Description Rating / Value
Rated Voltage 12 kV
Power Frequency Withstand Voltage 28 kV RMS
Impulse Withstand Voltage 75 kV Peak
Rated Normal Current 1250 A
Rated Short-Circuit Breaking Current 26.3 kA
Rated Short-Time Withstand Current 26.3 kA for 3 seconds
Rated Making Current 65.8 kA Peak
Rated Operating Sequence O – 0.3 sec – CO – 3 min – CO
Opening Time < 60 ms
Total Break Time < 70 ms
Closing Time < 80 ms
Contact Stroke 6–8 mm
Panel Width 630 mm
Panel Depth 1535 / 1835 mm
Panel Height 2005 mm
Panel Weight with Breaker 700–1000 kg