Product description
3.7 Cross-sections
SIVACON 8PS - Configuring with LX system
Configuration Manual, 10/2011, A5E02194899-02
25
Cross-sections for PEN, N, and PE conductors compared to the cable cross-section
The following tables contain a comparison of the cable cross-sections L1, L2, L3, PEN, N,
PE and clean earth of the different conductor configurations. Corresponding specifications in
mm
2
see Technical data (Page 125)
System Cross-sections
L1, L2, L3 PEN N PE Clean earth
LX..30 100 % - - Enclosure -
LX..41 100 % 100% + enclosure - - -
LX..51 100 % - 100 % Enclosure -
LX..52 100 % - 200 % Enclosure -
LXC.53
1)
100 % - 100 % 100% + enclosure -
LXC.54
1)
100 % - 200 % 100 % + enclosure -
LX..61 100 % - 100 % Enclosure 100 %
LX..62 100 % - 200 % Enclosure 100 %
1)
These conductor configurations each contain an additional busbar as PE conductor. The PE
conductor is galvanically connected with the enclosure.
Enclosure cross-section compared to conductor cross-section (Cu equivalent)
System Enclosure cross-section LXA Enclosure cross-section LXC
LXA(C)01.. 522 % 324 %
LXA(C)02.. 395 % 245 %
LXC03.. - 230 %
LX(C)A04.. 280 % 173 %
LXA(C)05.. 193 % 119 %
LXA(C)06.. 182 % 113 %
LXA(C)07.. 137 % 84 %
LXA(C)08.. 193 % 119 %
LXA(C)09.. 182 % 113 %
LXA10.. 137 % -
Calculation example
How high are the cross-sections of the systems for:
1. LXA0461
L1, L2, L3, N, clean earth: 100 %
PE (enclosure): 280 % in Cu equivalent
2. LXC0554
L1, L2, L3: 100 %
N: 200 %
PE (enclosure + busbar): 219 % in Cu equivalent
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