Grounding Via The Pe Screw - Delta M50A-260 Installation And Operation Manual

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, tin coated
Copper
●
Pure copper
●
Aluminum, tin-coated
Aluminum
●
Al-Cu crimp connectors
Table 7.1.: Permissible cable lug types for the PE screw
Installation and Operation Manual M50A_260 RPI503M260000 Product version L and M EU V1.3 EN 2023-08-14
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.
7 Installation
Grounding the inverter housing
59