Joining Busbars - ABB ACS6080 User Manual

5.7

Joining busbars

⚠
CAUTION
Flashover hazard!
Incorrect orientation of the busbar bolts can cause flashover when the
drive is energized.
• Orientate the bolts and the nuts of each connection as shown in this
section to maintain the required minimal distances between
busbars of different polarity.
▲
NOTICE
Risk of component damage!
Tightening torque for M12 bolts:
• 40 Nm if two busbars are joined
• 60 Nm if three and more busbars are joined
Joining the busbars of two adjoining transport units
• Busbar joints within a transport unit have been installed in
the factory.
• Use only the supplied installation material.
• Orientate the parts of a joint (plates, bolts, and nuts) as shown.
• Use a conical spring washer on each side of a connection.
(1) Conical spring washer
3BHS842007 E01 REV C
1
Figure 5-3 Bolted busbar connection
ACS6080 USER MANUAL
05 MECHANICAL INSTALLATION
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