5 Installation and Connection
(continued)
5-6
C232-302-401/402/403/404-603 / C232/EN M/A23
5.5 Protective and Operational Grounding
The unit must be reliably grounded to meet protective equipment grounding
requirements. The case is grounded using the appropriate bolt and nut as the ground
connection. The cross-sectional area of this ground conductor must also conform to
applicable national standards. A minimum conductor cross section of 2.5 mm
2
is
required.
The grounding connection must be low-inductance, that is as short as possible.
5-5 Installing the PE terminal
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