Attaching the grounding spider
Secure the terminals of the grounding spider, first on the lower ball button ①, and then on the
upper ball buttons ②.
① Ball head in the cabinet ② Ball buttons in the motor cabinet
Figure 9-1 Grounding points
Maintenance
9.2 Grounding the system
SINAMICS SM150 6SL3845-7NN46-7AA0
158 Operating Instructions 04/2017
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