e²BRAVO MV Vacuum Circuit Breakers

 

e²BRAVO®

 
Rated voltage of circuit breaker 7,2 - 12kV 17,5kV
Lighting impulse test voltage (1,2/50μs) 75kV 95kV
Power frequency test voltage (1 min)

28kV

38kV

Rated frequency 50Hz 50Hz
Rated normal current 630-1250A 630-1250A
Rated short-time withstand current (3s) do 31,5kA do 31,5kA

Rated peak current strength

do 80kA do 80kA
Rated short-circuit breaking capacity do 31,5kA do 31,5kA
Rated short-circuit making capacity do 80kA do 80kA
Rated making capacity of single capacitor bank O-0,3-CO-15s(180s)-CO
Classification

E2, M2, C2

Control voltage 24V DC, 110V DC, 220V DC, 230V AC
Opening time

≤30ms

Arcing time ≤15ms
Closing time

≤45ms

Total breaking time ≤45ms
Switching endurance

30 000 operations

Switching endurance for maximum short-circuit currnet 100 operations
Replacement for old low-oil apparatus
Application as a retrofit