Connection
7.5 Connection of the 3WL air circuit breaker
3KC ATC6500 transfer control device
Manual, 05/2019, L1V30538268002A-01
121
7.5 Connection of the 3WL air circuit breaker
7.5.1 Transfer between two 3WL10 air circuit breakers, with electrical interlock
For the application 2S-0T the following diagram applies:
You can find more information on the applications in chapter Load management with the
ATC6500 (Page 20)
3WL10 air circuit breaker for Source 1
3WL10 air circuit breaker for Source 2
Auxiliary switch (for electrical interlocking)
Auxiliary switch (status)
Alarm auxiliary switch (trip)
Note
IEC regulations
According to IEC regulations, the fusible element must be connected via
a cable compliant
61439-1 which is protected against ground faults and short circuits. To this end,
please observe the applicable national standards for electrical installatio
ns.