Siemens 3AK Operating Instructions Manual page 21

Fig. 18 Position switch (50.4.1)
Fig. 19 Circuit-breaker tripping signal
9229 9923 176 0B
2013-09-09
Position switch
Circuit-breaker tripping signal, cut-out switch (S6, S7)
S21, S22 Position switches (switch off the motor after
charging)
S3 Position switch (opens when closing spring
is charged)
S41, S42 Position switches (report charging state)
The position switch S6 makes contact briefly when the
vacuum circuit-breaker module is opened by means of
an electrical release.
This contacting can be used for a signal.
In the event of intentional mechanical opening, the cut-
out switch S7 interrupts the contacting.
Description
21