Grounding Switches; Fig. 23. Grounding Switch - ABB ACS5000 User Manual

3.8.1. Grounding switches

Each primary PCU in the drive has a grounding switch on the door.
You can only turn the grounding switch (1, Fig. 23) to the grounded position (horizontal) when
the yellow lamp (2, Fig. 23) is lit, ie, after the drive has been disconnected from the main power
supply and the DC-link has been discharged.
For a detailed grounding diagram, see "Appendix D – Wiring diagrams".
2
1
Key:
(1) Grounding switch
(2) Yellow lamp (grounding switch
unlocked)

Fig. 23. Grounding switch

PRODUCT
ACS5000W gen. 2
Explanation
– Horizontal position - drive is grounded
– Vertical position - drive is ungrounded.
Lights up to indicate that you can turn the grounding switch to
the grounded or ungrounded position.
DOCUMENT KIND
User manual
POWER ELECTRONICS AND CABINET FEATURES
DOCUMENT ID.
3BHS799208 E01
REV. LANG. PAGE
J en 51/186