Phoenix Contact 1201132, Руководство пользователя

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CONTACTRON Speed Starter
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PHOENIX CONTACT 109908_en_00
Asymmetric ground system (corner grounded TN systems)
In the following four situations, you must remove the IT jumper. This is to prevent the system
from grounding through the RFI and filter capacitors and damaging the CONTACTRON
Speed Starter.
Figure 5-10 Grounding at a corner in a triangle configuration
Figure 5-11 Grounding at a midpoint in a polygonal configuration
CAUTION:
Do not remove the IT jumper while power to the input terminal of the CONTACTRON
Speed Starter is ON.
NOTE:
You must remove the IT jumper for an asymmetric ground system.
L2
L3
L1
L2
L3
L1