Connection
7.3 Connection of Siemens SENTRON switching devices
3KC ATC6500 transfer control device
106
Manual, 05/2019, L1V30538268002A-01
Key features of the 3VA27
Unit
3VA27 (1600 A)
Product standard
IEC 60947-2
Rated operational voltage U
e
AC 50 / 60 Hz
[V AC]
600
1
Rated operational current In at 50 °C ambient temperature
[A]
800 ... 1600
Rated operational frequency
[Hz]
50 / 60
Short-time withstand current I
cw
at 1s
[kA]
20
Impulse withstand voltage (U
imp
) of the main circuit
[kV]
8
Impulse withstand voltage (U
imp
) of the control circuit
[kV]
4
1
Due to maximum nominal voltage U
n
of the ATC6500 controller of 600 V AC
Key features of the 3WL10 and FSI-III
FS I
FS II
FS II
Unit
3WL10
3WL11
3WL12
3WL13
Product standard
IEC 60947-2
IEC 60947-2
IEC 60947-2
IEC 60947-2
Rated operational voltage U
e
AC
50 / 60 Hz
[V AC]
600
1
600
1
600
1
600
1
Rated operational current I
n
at
50 °C ambient temperature
[A]
630 ... 1250
1000 ... 2000
800 ... 4000
4000 ... 6300
Rated operational frequency
[Hz]
50 / 60Hz
50 / 60 Hz
50 / 60 Hz
50 / 60 Hz
Short-time withstand current I
cw
at 1s
[kA]
42 - 50
2
42 - 85
2
50 - 100
2
85 - 130
2
Impulse withstand voltage (U
imp
)
of the main circuit
[kV]
12
12
12
12
Impulse withstand voltage (U
imp
)
of the control circuit
[kV]
2.5
2.5
2.5
2.5
1
Due to maximum rated voltage U
n
of the ATC6500 controller of 600 V AC
2
Dependent on the breaking capacity of the 3WL. You will find more information in the relevant documentation of the
circuit breaker.
Key features of the 3WT:
Unit
3WT8
Product standard
IEC 60947-2
Rated operational voltage U
e
AC 50 / 60 Hz
[V AC]
500
Rated operational current In at 50 °C ambient temperature
[A]
400 ... 1600 A
Rated operational frequency
[Hz]
50 / 60 Hz
Short-time withstand current I
cw
at 1 s
[kA]
35 - 50
1
Impulse withstand voltage (U
imp
) of the main circuit
[kV]
12
1
applies to Ecoline. You can find more information in the manual of the 3WT air circuit breaker.
