Connection
7.3 Connection of Siemens SENTRON switching devices
3KC ATC6500 transfer control device
Manual, 05/2019, L1V30538268002A-01
101
7.3
Connection of Siemens SENTRON switching devices
The connection of the Siemens switching devices is shown below,
7.3.1
Accessories for switching devices
The following accessories are required for the Siemens switching devices:
Circuit breaker
Accessories required
3VA11 (160A) – 3VA14 (630A)
3VA20 (100A) – 3VA24 (630A)
3VA51 (125A) – 3VA52 (250A)
3VA61 (150A) – 3VA64 (630A)
•
Auxiliary switch (interlock, not necessary for tie breaker)
•
Auxiliary switch (status)
•
Alarm auxiliary switches
•
Motor operator (Synchronizable, in case of transfer to synchronized networks; check
availability!)
3VA27
•
Auxiliary switch (interlock, not necessary for tie breaker)
•
Auxiliary switch (status)
•
Trip alarm switch
•
Auxiliary release (shunt trip) ST1
•
Closing coil (CC)
•
Motor operator
3WL FS I-III
•
Auxiliary switch (interlock, not necessary for tie breaker)
•
Auxiliary switch (status)
•
Trip alarm switch
•
Auxiliary release (shunt trip) F1 (synchronizable, in case of transfer to synchronized
networks)
•
Closing coil Y1 (synchronizable, in case of transfer to synchronized networks)
•
Motor operator
3WL10
•
Auxiliary switch (interlock, not necessary for tie breaker)
•
Auxiliary switch (status)
•
Trip alarm switch
•
Auxiliary release (shunt trip) ST1
•
Closing coil (CC)
•
Motor operator
3WT
•
Auxiliary switch (interlock, not necessary for tie breaker)
•
Auxiliary switch (status)
•
Trip alarm switch
•
Auxiliary release (shunt trip) F1 (synchronizable, in case of transfer to synchronized
networks)
•
Closing coil Y1 (synchronizable, in case of transfer to synchronized networks)
•
Motor operator