16
TD_PCM1x_Packages_Installation_09.04_GB
5.2.2 Current
WARNING
Before disconnecting the secondary terminals of the transformer or the connections of the transformer at the control,
make sure that the transformer is short-circuited.
NOTE
Current transducers are generally to be earthed secondarily and on one side.
a.)
Generator
N
L2
L3
L1
Detail:
Connection of the transducers
S2
s2
L..
Generator
current
../1 A or ../5 A
s1 (k)
..
L..
s2 (l)
..
MCB
G
S1
s1
L3
32
s1 (k)
31
s2 (l)
30
29
26
25
s1 (k)
s2 (l)
s2 (l)
s1 (k)
L2
L1
GCB
G
Figure 5-5: Measuring inputs - Current – Generator
Terminal Measure-
ment
Description A
max
25
Generator current L1, transformer terminal s2/x2 (l)
2.5 mm²
26
Generator current L1, transformer terminal s1/x1 (k)
2.5 mm²
29
Generator current L2, transformer terminal s2/x2 (l)
2.5 mm²
30
Generator current L2, transformer terminal s1/x1 (k)
2.5 mm²
31
Generator current L3, transformer terminal s2/x2 (l)
2.5 mm²
32
Transformer
../1 A
or
../5 A
Generator current L3, transformer terminal s1/x1 (k)
2.5 mm²
Table 5-5: Terminal assignment - generator current measuring
