11
= Key1
= Key 2
= Key 3
= Max. value or consumption = Min. value or supply
Diagr. 5 Measurement in
IT-networks
with N
.
L/L 80 .. 870V AC
L/PEN 50 .. 500V AC
0,005 .. 5A
27 26 25 24 23 22 21 20 19 18
14 15
L1 L2 L3 N
2A
L1 N
Messung
Mesurement
Hilfs-
spannung
Auxiliary
Voltage
UMG505
L1
L2
L3
N
k l
k l
k l
../5(1)A
../5(1)A
../5(1)A
230V/400V 50Hz
10160990
Verbraucher
Consumer
4-
10A
PE
Diagr. 6 Measurement in
IT-Netz
without N.
L/L 80 .. 870V AC
L/PEN 50 .. 500V AC
0,005 .. 5A
27 26 25 24 23 22 21 20 19 18 14 15
L1 L2 L3 N
2A
L1 N
Messung
Mesurement
Hilfs-
spannung
Auxiliary
Voltage
UMG505
L1
L2
L3
k l
k l
k l
../5(1)A
../5(1)A
../5(1)A
230V/400V 50Hz
101609100
Verbraucher
Consumer
4-
10A
PE
Diagr. 7 Measurement in
TN-networks
with three
current transformers.
L/L 80 .. 870V AC
L/PEN 50 .. 500V AC
0,005 .. 5A
27 26 25 24 23 22 21 20 19 18
14 15
L1 L2 L3 N
2A
L1 N
Messung
Mesurement
Hilfs-
spannung
Auxiliary
Voltage
UMG505
L1
L2
L3
N
k l
k l
k l
../5(1)A
../5(1)A
../5(1)A
230V/400V 50Hz
10160440
Verbraucher
Consumer
4-
10A
PE