Rated voltage
kV
40.5

Lightning impulse withstand voltage(peak value)
Phase to earth & phase to phase
kV
185

Isolating distance
kV
215

1min
power frequency withstand voltage
Phase to earth, phase to phase
kV
95

Isolating distance
kV
118

Load switch
Rated current
A
630

Rated short time withstand current (2s)
kA
20

Rated short time withstand current(peak value)
kA
50

Rated short circuit making current (peak value)
kA
50

Mechanical endurance
times
5000

Busbar side of earthing switch
Rated short time withstand current(2s)
kA
20

Rated peak withstand current(peak value)
kA
50

Rated short circuit making current (peak value)
kA
50

Mechanical endurance
times
2000

Earthing circuit
Rated short time withstand current(2s)
kA
17.4

Rated peak withstand current(value)
kA
43.5

Fuse
Rated current
A
50

Rated short circuit breaking current
kA
31.5

Protection degree
Main circuit (load switch, earthing switch)

IP5X

Fuse, cable connecting piece

IP4X

Fuse compartment, mechanism compartment

IP3X