Connection
7.1 Connection of the power supply for the ATC6500
3KC ATC6500 transfer control device
Manual, 05/2019, L1V30538268002A-01
89
7.1.4
Power supply by means of contactors
It is also possible to switch between two auxiliary power supplies using two mechanically and
electrically interlocked contactors.
Code
Description
K1 / K2
Contactors (switching power supply between priority source and secondary
source)
Mechanical interlock
If Source 2 is fed by a generator, the ATC will fail during a transfer. And it will fail until the
generator is started and has reached the required voltage quality.
Note
Technical specifications of the supply voltage
The technical specifications for the supply voltage of the ATC6500 must be observed (see
chapter Connection of the supply voltage of the ATC6500 (Page 83)).