Connection
7.3 Connection of Siemens SENTRON switching devices
3KC ATC6500 transfer control device
102
Manual, 05/2019, L1V30538268002A-01
7.3.2
Accessories for mechanical interlock
Permissible mechanical interlocking combinations
Customers who wish to have a mechanical interlocking in addition to, or instead of the
electrical interlocking, can obtain the possible combinations of Siemens breakers from the
table below. For detailed information, please refer to the corresponding operating manual for
the product.
Note:
As already mentioned, neither a mechanical nor an electrical interlock can be applied for
some of the applications that can be implemented with the ATC6500 (see chapter Transfer
between 2 sources, with 3 switching devices (Page 95)).
Mechanical interlocking combinations for 3VA11 - 3VA14, 3VA20 - 3VA24
Note:
Bowden cable systems cannot be used. You can find more information on interlocking in the
Manual "3VA Molded Case Circuit Breakers"
https://support.industry.siemens.com/cs/ww/en/view/90318775