Siemens Sicam P850 7KG85 Series - Page 90

6 Connection Principle
6.3 Connection Types and Connection Examples
90 SICAM P850/P855, 7KG85xx, Device Manual
E50417-H1040-C482-A6, Edition 10.2018
Example 1-phase System, No Voltage Transformer
Figure 6-4 Example 1-phase System, No Voltage Transformer
Example 3-wire Network, 2 Voltage Transformers and 1 Current Transformer, Balanced
Figure 6-5 Example 3-wire Network, 2 Voltage Transformers and 1 Current Transformer, Balanced
a
N
P1 P2
S1 S2
PE
10 A
Terminals SICAM P850/P855
a
P1 P2
S1 S2
c
AAB
B
aabb
PE
b
10 A 10 A
10 A
Terminals SICAM P850/P855
NOTICE
The secondary voltage on terminal F (voltage) must not exceed AC 480 V (AC 347 V for UL conditions).
Non-observance can cause material damage.
✧ Make sure that the maximum permissible phase-to-ground voltage (PE) is not exceeded.
NOTE
The electrical connection PE-N is not mandatory.