Siemens 7KG85 Series, Product Information, Page: 69 / 88

25 SICAM P850/P855 7KG85xx, Product Information
E50417-B1050-C482-A3, Edition 03.2013
11.4 Example: 4-wire System, Balanced
11.5 Example: 4-wire System, Unbalanced
a
b
P1 P2
S1 S2
c
A
B
a b
N
PE
10 A
a
b
P1 P2
S1 S2
c
P1
S1 S2
S1 S2
N
P1
P2
P2
PE
resp.
10 A
for low-voltage power systems