Siemens UL 489 - External Sensors and Voltage Supply; External Sensor for Neutral Conductor

9 – 97
9.2.4 External sensor for neutral conductor
(1) Version for copper bar on switchgear side
(2) Mounting bracket
(3) Screw M6 with washers and nut
(4) Version with copper connectors
(5) Connector P2
(6) Connector P1
 Dimension drawings (page 7-30)
Terminal assignment
Remove bridge X8.9 - X8.10
This arrangement ensures the same direction of the current flow for the circuit breaker and the external neutral sensor.
(1)
(2)
(3)
(4)
(5)
(6)
Main conducting path
0377_nu
S1
P1
P2
S2
X8.10
X8.9
1
2
3
4
5
6
External N sensor