Technical data
7.3 Trunking units LXA..41 (aluminium)
SIVACON 8PS - Configuring with LX system
Configuration Manual, 10/2011, A5E02194899-02
129
System-specific data
LXA
0741
0841
0941
1041
Rated current
I
e
A
2500
1)
3200
4000
2)
4500
3)
Conductor impedance
Resistance
R
20
mΩ/m 0.023
0.018
0.014
0.011
Reactance
X
20
mΩ/m 0.011
0.008
0.005
0.012
At 50 Hz and + 20 °C
busbar temperature
Impedance
Z
20
mΩ/m 0.026
0.020
0.015
0.016
Resistance
R
1
mΩ/m 0.025
0.022
0.017
0.014
Reactance
X
1
mΩ/m 0.011
0.008
0.005
0.006
At 50 Hz and final heating
of busbars
Impedance
Z
1
mΩ/m 0.028
0.024
0.018
0.015
Resistance
R
F
mΩ/m 0.041
0.032
0.025
0.020
Reactance
X
F
mΩ/m 0.035
0.032
0.018
0.018
for 4-pole systems under
fault conditions acc. to
EN 60439-2
Impedance
Z
F
mΩ/m 0.054
0.045
0.031
0.027
Zero impedance
R
0
mΩ/m 0.077
0.061
0.047
0.038
X
0
mΩ/m 0.057
0.050
0.026
0.026
for 4-pole systems acc. to
DIN EN 60909-0 /
VDE 0102
Z
0
mΩ/m 0.096
0.079
0.053
0.046
Short-circuit rating
Rated short-time
withstand current
rms value t = 1 s
I
cw
kA
86
100
140
150
Rated peak withstand
current
Peak value
I
pk
kA
194
220
255
255
Conductor material
Aluminium
No. of busbars
4
8
8
8
Conductor cross section L1, L2, L3
A
mm
2
1586
1892
2384
3172
Equivalent copper cross
section
PEN
A
mm
2
2223
3314
4011
4446
Weights
kg/m
31.3
42.0
51.3
63
1)
Reduction in rated current to 2400 A with horizontal flat mounting position
2)
Reduction in rated current to 3800 A with horizontal flat mounting position
3)
Reduction in rated current to 4300 A with horizontal flat mounting position
