Connecting The Pe Busbars - Siemens SINAMICS G150 Operating Instructions Manual

Converter cabinet units 75 kw to 1500 kw

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Electrical installation

4.7 Electrical connection of units that are connected in parallel

Connecting the PE busbars

A connector jumper is provided loose to connect the PE buses of the two sub-cabinets.

Establishing the connection

1. At the right-hand side of the left sub-cabinet, release 1 x M12 nut of the PE busbar.

2. Remove the nut, washer

3. At the left-hand side of the right sub-cabinet, release 1 x M12 nut of the PE busbar.

4. Remove the nut, washer and screw.

5. Locate the connection clip

6. Insert the bolts from the front into the grounding lugs of the PE buses.

7. Reattach the washers and nuts.

8. Tighten the nuts (tightening torque: 50 Nm).

Connecting the PE busbars

at the rear of the PE busbars of the sub-cabinets to be

Converter cabinet units

Operating Instructions, 03/2012, A5E03263466A