Technical data
7.4 Trunking units LXA..51 (aluminium)
SIVACON 8PS - Configuring with LX system
130 Configuration Manual, 10/2011, A5E02194899-02
7.4 Trunking units LXA..51 (aluminium)
System-specific data LXA 0151 0251 0451 0551 0651
Rated current I
e
A 800 1000 1250 1600 2000
Conductor impedance
Resistance R
20
mΩ/m 0.117 0.084 0.056 0.036 0.027
Reactance X
20
mΩ/m 0.028 0.031 0.024 0.017 0.009
At 50 Hz and + 20 °C
busbar temperature
Impedance Z
20
mΩ/m 0.120 0.090 0.061 0.040 0.029
Resistance R
1
mΩ/m 0.146 0.106 0.070 0.043 0.034
Reactance X
1
mΩ/m 0.028 0.031 0.024 0.017 0.009
At 50 Hz and final heating
of busbars
Impedance Z
1
mΩ/m 0.149 0.110 0.074 0.046 0.035
Resistance R
F
mΩ/m 0.223 0.214 0.180 0.116 0.110
Reactance X
F
mΩ/m 0.140 0.139 0.114 0.095 0.071
for 5-pole systems (PE)
under fault conditions
acc. to EN 60439-2
Impedance Z
F
mΩ/m 0.263 0.253 0.213 0.150 0.031
Resistance R
F
mΩ/m 0.249 0.192 0.133 0.086 0.064
Reactance X
F
mΩ/m 0.113 0.122 0.095 0.072 0.046
for 5-pole systems (N)
under fault conditions
acc. to EN 60439-2
Impedance Z
F
mΩ/m 0.273 0.227 0.163 0.112 0.079
Zero impedance
R
0
mΩ/m 0.434 0.473 0.428 0.275 0.277
X
0
mΩ/m 0.363 0.354 0.293 0.250 0.195
for 5-pole systems (PE)
acc. to DIN EN 60909-0 /
VDE 0102
Z
0
mΩ/m 0.566 0.591 0.519 0.372 0.338
R
0
mΩ/m 0.484 0.377 0.260 0.167 0.128
X
0
mΩ/m 0.175 0.177 0.134 0.095 0.061
for 5-pole systems (N)
acc. to DIN EN 60909-0 /
VDE 0102
Z
0
mΩ/m 0.515 0.417 0.293 0.192 0.142
Short-circuit rating
Rated short-time
withstand current
rms value t = 1 s I
cw
kA 25 35 50 60 75
Rated impulse withstand
current
Peak value I
pk
kA 53 70 110 132 158
Conductor material Aluminium
No. of busbars 4 4 4 4 4
L1, L2, L3 A mm
2
292 386 586 946 1192 Conductor cross section
N A mm
2
292 386 586 946 1192
Equivalent copper cross
section
PE = enclosure A mm
2
948 948 1018 1135 1348
Weights kg/m 10.6 12.0 15.2 20.8 25.6
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