Technical data
7.2 Trunking units LXA..30 (aluminium)
SIVACON 8PS - Configuring with LX system
Configuration Manual, 10/2011, A5E02194899-02
127
System-specific data LXA 0730 0830 0930 1030
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
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
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 194 220 225 255
Conductor material Aluminium
No. of busbars 3 6 6 6
Conductor cross section L1, L2, L3 A mm
2
1586 1892 2384 3172
Equivalent copper cross
section
PE = enclosure A mm
2
1348 2270 2694 2696
Weights kg/m 26.3 35.5 43.4 52.1
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