Siemens SIVACON 8PS Configuration Manual page 27

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
System Cross-sections
L1, L2, L3
LX..30 100 %
LX..41 100 %
LX..51 100 %
LX..52 100 %
LXC.53 100 %
1)
LXC.54 100 %
1)
LX..61 100 %
LX..62 100 %
1)
Enclosure cross-section compared to conductor cross-section (Cu equivalent)
System
LXA(C)01..
LXA(C)02..
LXC03..
LX(C)A04..
LXA(C)05..
LXA(C)06..
LXA(C)07..
LXA(C)08..
LXA(C)09..
LXA10..
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
SIVACON 8PS - Configuring with LX system
Configuration Manual, 10/2011, A5E02194899-02
see Technical data (Page 125)
2
PEN
-
100% + enclosure
-
-
-
-
-
-
These conductor configurations each contain an additional busbar as PE conductor. The PE
conductor is galvanically connected with the enclosure.
Enclosure cross-section LXA
522 %
395 %
-
280 %
193 %
182 %
137 %
193 %
182 %
137 %
N PE
- Enclosure
- -
100 % Enclosure
200 % Enclosure
100 % 100% + enclosure
200 % 100 % + enclosure -
100 % Enclosure
200 % Enclosure
Enclosure cross-section LXC
324 %
245 %
230 %
173 %
119 %
113 %
84 %
119 %
113 %
-
Product description
3.7 Cross-sections
Clean earth
-
-
-
-
-
100 %
100 %
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