Siemens SINAMICS S120 Manual page 687

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Connecting DC link busbars

Always connect the lower DC link busbars first and then the upper DC link busbars.

Tool: Screwdriver Torx T20

Working steps:

1. Loosen the DC link busbar screws.

2. Turn over the DC link bridge.

3. Screw the DC link busbar screws tight. It is important that you follow the sequence shown

below (1 and 2).

Tightening torque: 1.8 Nm

1. Connection of the lower DC link busbars

Booksize Power Units

Manual, (GH2), 07/2016, 6SL3097-4AC00-0BP8

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12.5 Electrical connection

2. Connection of the upper DC link busbars

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