11. TECHNICAL DATA 103
—
11. Technical data
The technical data of the switchgear can be found on the name plate.
The name plate of the panel is located at the top on the right-hand
side wall of the opened low voltage compartment.
Further type plates for individual components can be found in the
immediate vicinity of the devices concerned.
—
Rated voltage / maximum operating voltage (
1
)
U
r
kV 15 27 38
Rated power-frequency withstand voltage (
1
)
U
d
kV 36 60 80
Rated lightning impulse withstand voltage (
1
)
U
p
kV 95 125 200
Rated frequency (
2
)
f
r
Hz 50 / 60
Rated normal current of busbars
I
r
A …3150 (50 Hz), ...3000 (60 Hz)
Rated normal current (
3
)
I
r
A …3150 (50 Hz), ...3000 (60 Hz)
Rated short-time withstand current
I
k
kA …40
Rated peak withstand current
I
p
kA …104
Rated duration of short-circuit
t
k
s ...3
Insulating gas system (
4, 5
)
Rated filling level for insulation
p
ae
psi 17.4
Rated filling level for insulation
p
re
psi 18.9
Degree of protection for parts under high voltage IP65
Degree of protection of the low voltage compartment IP4X
1. Higher levels to international standards on request
2. Rated current for 60 Hz on request
3. Higher rated currents on request
4. Insulating gas: SF
6
(sulphur hexafluoride)
5. All pressures stated are absolute values relative to 20 °C
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