Cabling
WARNING!
Danger from live mains voltage inputs
An electric shock can be fatal.
▶
Switch off the power supply be-
fore connecting the mains voltage
inputs.
Permissible conductor cross-section of
AC terminals:
-
Wire: 1.5 - 4 mm²
Each live conductor must be connected to the AC terminals as shown in the fig-
ures below.
Load / Source
CT1
CT1 CT2
CT3
CT3
S1
S2
S1
S2
S1
S2
< 20 A
CT2
3 phases, 4 conductors (CT connection)
Load / Source
< 20 A
S1
S2
CT1
CT1
1 phase, 2 conductors (CT connection)
20
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