Product description
Rated voltage: 12kV
Rated current: 400 to 630A
Power frequency dry withstand voltage: 42kV
Lighting impact withstand voltage (peak value): 75kV
Rated short circuit breaking current: 12.5, 16 or 20kA
Rated short circuit closing current (peak value): 31.5, 40 or 50kA
Rated short circuit current breaking time: 30 times