VFS Indoor Generator Circuit Breaker is a new-generation dedicated circuit breakerelaborately developed for the protection of generator systems.Adopting advanced solid insulation technology and drawing on years of experiencein R&D and manufacturing of vacuum circuit breakers,it is designed in line with the load characteristics of generator unitsto provide you with an optimal solution for generator vacuum circuit breakers.
Rated Voltage: 12 kVRated Insulation LevelPower Frequency Withstand Voltage (1min)To Earth: 42 kVAcross Breaking Gap: 50 kV

Lightning Impulse Withstand Voltage (Peak)To Earth: 75 kVAcross Breaking Gap: 85 kV

Rated Frequency: 50 HzRated Current:Option 1: 1250 A, 1600 A, 2000 A, 2500 A, 3150 A, 4000 A*Option 2: 1250 A, 1600 A, 2000 A, 2500 A, 3150 A, 4000 A*, 5000 A*

Rated Short-Circuit Breaking Current: 40 kA / 50 kARated Short-Circuit Making Current (Peak): 115 kA / 140 kADC Component of Rated Short-Circuit Breaking Current: 80 % / 80 %Rated Short-Circuit Current Duration: 4 sNumber of Rated Short-Circuit Current Breaking Operations: 10 timesNumber of Rated Load Current Breaking Operations: 50 times