ABB ACS880-87LC-4000A/4021A-7, Hardware Manual

Page: 19 / 144

Safety instructions 19

Disconnecting the charging circuit from the main circuit
WARNING! If you are not a qualified electrician, do not proceed.
1. Make sure that you have opened the main circuit breaker (Q1). See section Opening
and disconnecting the main circuit breaker on page 16 .
2. In the charging cubicle, turn the charging circuit switch (Q10) from ON position (a) to
the OFF position (b).
3. Lock the charging circuit switch to the OFF position with a padlock. Stow the key(s) in
a safe place.
4. Write your name, phone number and the date to the “Do not switch on. Men at work”
warning sign and hang the warning sign to the charging circuit switch.
3
a
2b
4
b