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7 Installation
Grounding the inverter housing
Installation and Operation Manual M50A_260 RPI503M260000 Product version L and M EU V1.3 EN 2023-08-14
7.5.2 Grounding via the PE screw
Cable lug selection
Select the cable lugs according to the following table:
PE screw material: nickel-plated
Cables Cable lug
Copper
● Copper, tin coated
● Pure copper
Aluminum
● Aluminum, tin-coated
● Al-Cu crimp connectors
Table 7.1.: Permissible cable lug types for the PE screw
1. Screw the PE/PEN cable onto the PE screw (torque:
14.7 Nm). M10 nut, spring washer and washer are pro-
vided.
2. Perform a continuity check of the grounding connection.
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