Siemens NXAirS - Technical Data and Conditions

NXAirS Withdrawable Metal-enclosed Switchgear, Rated Voltage Up to 12kV
11
NXAirS description
10. Technical data
10.1 Panel
Electrical data (maximum values)
Rated voltage 12kV
Rated power-frequency withstand voltage 42kV
Rated lightning impulse withstand voltage 75kV
Rated frequency 50Hz
Rated short-circuit breaking current 25kA, 31.5kA, 40kA
Rated short-circuit making current 63kA, 80kA, 100kA
Rated peak withstand current 63kA, 80kA, 100kA
Rated short-time withstand current and time 25kA/4s, 31.5kA/4s, 40kA/4s
Rated current of the busbar
（
max.
）
4000A
Rated current of the feeder
（
max.
）
4000A
The highest ambient temperature 40°C
Width Circuit breaker panel
l
k
≤
31.5kA l
n
≤
3150A 800
l
k
≤
40kA l
n
≤
2500A 800
l
k
= 40kA l
n
≥
3150kA 1000
Disconnecting panel
l
k
≤
31.5kA l
n
≤
3150A 800
l
k
≤
40kA l
n
≤
2500A 800
l
k
≤
40kA l
n
≥
3150A Panel 1000
Substation transformer 1000
metering Panel 800
Height l
k
≤
31.5kA l
n
≤
2500A 2200
l
k
= 31.5kA l
n
= 3150A 2400
l
k
= 40kA 2300
Depth l
k
= 31.5kA l
n
= 3150A l
b
= 3150A 1500
l
k
≤
31.5kA l
n
≤
2500A l
b
≤
2500A 1350
l
k
≤
31.5kA l
n
≤
3150A l
b
≥
3150A 1500
l
k
= 40kA 1500
Height Minimum dimension 2800
Width(operation area) Minimum dimension for 800 width panel 1350
Minimum dimension for 1000 width panel 1550
Standard IP4X
Option (only for the panel without natural ventilation) IP51
IEC/EN standard GB standard
Panel 60694 GB/T11022
62271-200 GB3906
Switchgear Circuit breaker 62271-100 GB1984
Disconnector and earthling switch 62271-102 GB1985
Switch-disconnector 60265-1 GB3804
Insulation test 60071 GB311.1
Protection degree 60529 GB4208
Transformer Current transformer 60044-1 GB1208
Potential transformer 60044-2 GB1207
Dimensions per panel in mm
Dimensions of the power
distribution room in mm
Protection degree
Basic regulation and standard
Standards for indoor used circuit-
breaker module panel NXAirS