The switchgear must at least meet the following technical data:
Rated voltage Ur: 15 kV
Operating voltage UB: O 11.4 kV
O 11.5 kV
O 11.6 kV
O 12 kV
O 12.4 kV
O 12.5 kV
O 12.8 kV
O 13.2 kV
O 13.4 kV
X 13.8 kV
Rated frequency fr: X 50 Hz
O 60 Hz
Rated continuous current of the busbar:
X 1250 A
O 2000 A
O 2500 A
Rated short-duration power-frequency withstand voltage Ud:
50 kV
Rated lightning impulse withstand voltage Up:
125 kV
Rated short-time withstand current Ik:
X 25/3 kA/s
O 31.5/3 kA/s
O 40/3 kA/s
Busbar system: X single busbar
O double busbar
Ambient air temperature (24-h mean):
O 25 °C
O 30 °C
O 35 °C
X 40 °C
O 45 °C
O 50 °C
O 55 °C
Installation of the switchgear:
O wall-standing arrangement
X free-standing arrangement
Internal arc classification:
For wall-standing arrangement:
X IAC A FL up to 25 kA 1 s
O IAC A FL up to 31.5 kA 1 s
O IAC A FL up to 40 kA 1 s
For free-standing arrangement:
O IAC A FLR up to 25 kA 1 s
O IAC A FLR up to 31.5 kA 1 s
O IAC A FLR up to 40 kA 1 s
Communication-capable secondary devices:
O yes
X no
Earthquake-resistant design:
O yes
X no
Replacement possibility for panels:
X without
O left
O right
Selectable auxiliary and control voltages: 24/48/60/110/220 V DC, 110/230 V AC