Siemens SENTRON 3WA1 Manual page 409

7. If the indicator pin is no longer visible, you must replace the contact system.
Please refer to the table of article numbers when reordering, see Chapter Article
number (Page 414).
3WA1 air circuit breaker
Equipment Manual, 02/2023, 92310000002-06
Inspection and maintenance
5.7 Maintaining the main contacts
407