Siemens SINAMICS G150 Operating Instructions Manual page 75

Figure 4-3
Establishing the connection
1. Loosen the 1 x M12 nut of the PE busbar at the 1st cabinet
2. Remove the nut, washer
3. Loosen the 1 x M12 nut of the PE busbar at the 2nd cabinet
4. Remove the nut, washer, and screw.
5. Locate the connecting clip
connected.
6. Insert the screws in the ground straps for the PE busbars from the front.
7. Reattach the washers and nuts.
8. Tighten the nut (tightening torque: 50 Nm).
Converter cabinet units
Operating Instructions, 07/2016, A5E03347396A
Connecting the PE busbars
①
and screw
②
at the rear of the PE busbars of the cabinets to be
③
Electrical installation
4.6 Electrical connection
75