Siemens SENTRON ATC6500 - Transfer between Three 3 WL10 Air Circuit Breakers, Without Electrical Interlock

Connection
7.5 Connection of the 3WL air circuit breaker
3KC ATC6500 transfer control device
Manual, 05/2019, L1V30538268002A-01
125
7.5.3 Transfer between three 3WL10 air circuit breakers, without electrical interlock
For the application 2S-1T-SI and 2S – 1T - AI the following diagram applies:
You can find more information on the applications in chapter Load management with the
ATC6500 (Page 20)
Code
Description
BRK 1
3WL10 air circuit breaker for Source 1
BRK2
3WL10 air circuit breaker for Source 2
TB
3WL10 air circuit breaker as tie breaker
AUX 2
Auxiliary switch (status)
S24
Alarm auxiliary switch (trip)
ST
Shunt trip
CC
Closing coil
M
Motor operator
Note
IEC regulations
According to IEC regulations, the fusible element must be connected via a cable co
mpliant
with IEC
61439-1 which is protected against ground faults and short circuits. To this end,
please observe the applicable national standards for electrical installatio
ns.