The switchgear must at least meet the following technical data:
Rated voltage Ur: 12 kV
Operating voltage UB: O 7.2 kV
O 7.6 kV
O 8 kV
O 8.3 kV
O 8.4 kV
O 8.9 kV
X 10 kV
O 10.5 kV
O 11 kV
O 11.4 kV
O 11.5 kV
O 11.6 kV
Rated frequency fr: X 50 Hz
O 60 Hz
Rated continuous current of the busbar:
X 1250 A
O 1600 A
O 2000 A
O 2500 A
Rated short-duration power-frequency withstand voltage Ud:
28 kV
Rated lightning impulse withstand voltage Up:
75 kV
Rated short-time withstand current Ik:
O 20/1 kA/s
O 20/3 kA/s
X 25/1 kA/s
O 31.5/1 kA/s
O 31.5/3 kA/s
Ambient air temperature (24-h mean):
O 25 °C
O 30 °C
X 35 °C
O 40 °C
O 45 °C
O 50 °C
O 55 °C
Installation of the switchgear:
X Wall-standing arrangement
O Free-standing
Degree of protection (for switchgear enclosure):
X IP 3XD
O IP 31D
O IP 32D
O IP 34D
O IP 4X
O IP 41
O IP 42
O IP 44
Pressure relief duct: X rear
O rear and horizontal
Internal arc classification:
For wall-standing arrangement: IAC A FL up to 31.5 kA 1s
For free-standing arrangement: IAC A FLR up to 31.5 kA 1s
Communication-capable secondary devices:
O yes
X no
Selectable auxiliary and control voltages: 24/48/60/110/220 V DC, 110/230 V AC
Color: RAL 7035 (light gray)