Siemens SION 3AE Series Operating Instructions Manual page 25

Interlocks
Circuit breaker pri-
mary contacts closed
Circuit breaker pri-
mary contacts open
Grounding switch
closed
Grounding switch
open
ü
Possible
X Not possible
* Inserting or removing the circuit breaker into/from the withdrawable frame
Fig. 34 Interlocks
Notice
Grounding switch handle 3AX1430-2D (or 3AX1430-3D) inserted or grounding switch activated
·
Moving the withdrawable unit not possible
·
Handle for withdrawable section 3AX1430-2C cannot be inserted
·
Withdrawable section cannot be removed from the withdrawable frame.
Handle for withdrawable section 3AX1430-2C inserted or withdrawable section between connected and discon-
nected positions:
·
Activating the grounding switch not possible
·
Opening for the grounding switch handle 3AX1430-2D (or 3AX1430-3D) cannot be operated.
9229 0002 401 0A
2016-03-03
Remove Insert/
d
remove*
ü ü
ü ü
ü
X
ü ü
Position of the vacuum circuit breaker
Disconnected po-
sition
ü
Circuit breaker
cannot be moved
ü
ü
Circuit breaker
cannot be moved
ü
Installation accessories
ß Move à
Connected posi-
tion
X
Circuit breaker
cannot be moved
ü
X
ü
ü
ü
X
ü
23