Technical data
7.5 Trunking units LXA..52 (aluminium)
SIVACON 8PS - Configuring with LX system
Configuration Manual, 10/2011, A5E02194899-02
133
System-specific data
LXA
0752
0852
0952
1052
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 0.083
0.062
0.042
0.021
Reactance
X
F
mΩ/m 0.077
0.065
0.054
0.043
for 5-pole systems (N)
under fault conditions
acc. to EN 60439-2
Impedance
Z
F
mΩ/m 0.113
0.089
0.068
0.047
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 0.058
0.049
0.041
0.032
X
0
mΩ/m 0.105
0.087
0.068
0.050
for 5-pole systems (N)
acc. to DIN EN 60909-0 /
VDE 0102
Z
0
mΩ/m 0.119
0.099
0.079
0.059
Short-circuit rating
Rated short-time
withstand current
rms value t = 1 s
I
cw
kA
86
100
140
150
Rated impulse withstand
current
Peak value
I
pk
kA
194
220
255
255
Conductor material
Aluminium
No. of busbars
5
10
10
10
L1, L2, L3
A
mm
2
1586
1892
2384
3172
Conductor cross section
N
A
mm
2
3172
3784
4768
6344
Equivalent copper cross
section
PE = enclosure
A
mm
2
1348
2270
2694
2696
Weights
kg/m
36.3
48.5
59.2
73.2
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
