Technical data
7.4 Trunking units LXA..51 (aluminium)
SIVACON 8PS - Configuring with LX system
Configuration Manual, 10/2011, A5E02194899-02
131
System-specific data
LXA
0751
0851
0951
1051
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
0.009
0.005
0.012
At 50 Hz and + 20 °C
busbar temperature
Impedance
Z
20
mΩ/m 0.025
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 0.108
0.086
0.062
0.065
Reactance
X
F
mΩ/m 0.077
0.071
0.045
0.044
for 5-pole systems (PE)
under fault conditions
acc. to EN 60439-2
Impedance
Z
F
mΩ/m 0.133
0.112
0.077
0.078
Resistance
R
F
mΩ/m 0.055
0.047
0.032
0.028
Reactance
X
F
mΩ/m 0.047
0.043
0.023
0.023
for 5-pole systems (N)
under fault conditions
acc. to EN 60439-2
Impedance
Z
F
mΩ/m 0.072
0.064
0.039
0.036
Zero impedance
R
0
mΩ/m 0.278
0.223
0.158
0.172
X
0
mΩ/m 0.209
0.195
0.125
0.108
for 5-pole systems (PE)
acc. to DIN EN 60909-0 /
VDE 0102
Z
0
mΩ/m 0.348
0.296
0.202
0.203
R
0
mΩ/m 0.106
0.095
0.062
0.052
X
0
mΩ/m 0.065
0.060
0.030
0.030
for 5-pole systems (N)
acc. to DIN EN 60909-0 /
VDE 0102
Z
0
mΩ/m 0.125
0.112
0.069
0.060
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
L1, L2, L3
A
mm
2
1586
1892
2384
3172
Conductor cross section
N
A
mm
2
1586
1892
2384
3172
Equivalent copper cross
section
PE = enclosure
A
mm
2
1348
2270
2694
2696
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
