Connection
7.4 Connection of 3VA molded case circuit breakers
3KC ATC6500 transfer control device
Manual, 05/2019, L1V30538268002A-01
109
7.4
Connection of 3VA molded case circuit breakers
7.4.1
Connection of 3VA molded case circuit breakers with MO (IEC, UL), 3VA with
SEO (IEC only)
7.4.1.1
Transfer between two 3VA 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
Code
Description
BRK 1
3VA molded case circuit breaker for Source 1
BRK2
3VA molded case circuit breaker for Source 2
HS
Auxiliary switch (for electrical interlocking)
HS
Auxiliary switch (status)
AS
Alarm auxiliary switch (trip)
X1
Terminals of the motor operator