Connection Of 3Va27 Motor-Driven Molded Case Circuit Breakers (Iec Only); Transfer Between Two 3Va27 Molded Case Circuit Breakers, With Electrical Interlock - Siemens SENTRON ATC6500 Manual

7.4.2

Connection of 3VA27 motor-driven molded case circuit breakers (IEC only)

7.4.2.1

Transfer between two 3VA27 molded case 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)
Code Description
BRK 1 3VA molded case circuit breaker for Source 1
BRK2 3VA molded case circuit breaker for Source 2
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 connected via a cable compliant
with IEC 61439-1 which is protected against ground faults and short circuits. To this end,
please observe the applicable national standards for electrical installations.
3KC ATC6500 transfer control device
Manual, 05/2019, L1V30538268002A-01
7.4 Connection of 3VA molded case circuit breakers
Connection
115