Siemens SENTRON ATC6500 - Transfer between Three 3 WL10 Air Circuit Breakers, with Electrical Interlock

Connection
7.5 Connection of the 3WL air circuit breaker
3KC ATC6500 transfer control device
Manual, 05/2019, L1V30538268002A-01
123
7.5.2 Transfer between three 3WL10 air circuit breakers, with electrical interlock
The following diagram applies for the applications 2S-1T-PL and 2S-NPL:
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 1
Auxiliary switch (for electrical interlocking)
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 connect
ed via a cable compliant
with IEC
61439-1 which is protected against ground faults and short circuits. To this end,
please observe the applicable natio
nal standards for electrical installations.