ABB ACS880 - Page 21

8. Connect the DC and AC busbars. Tighten the bolts to 55…70 N·m (40…50 lbf·ft).
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ab
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d
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Units with single DC busbars
Units with double DC busbars
Joint piecea
Plain washer with electroplated zinc coating and blue chromate passivationb
Spring washer with mechanically sprayed zinc coatingc
Nut (M12)d
Mechanical installation 21
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