Connection
7.3 Connection of Siemens SENTRON switching devices
3KC ATC6500 transfer control device
Manual, 05/2019, L1V30538268002A-01
105
7.3.3
Technical specifications of the Siemens SENTRON switching devices (IEC
only)
The following table lists the required data of the air circuit breakers and molded case circuit
breakers.
Note
Nevertheless, check the data of the circuit breaker used against the corresponding catalog
or using the breaker manual.
Key features of the 3VA11 – 3VA14, 3VA20 – 3VA24
Unit
3VA11
(160 A)
3VA12
(250 A)
3VA13
(400 A)
3VA14
(630 A)
3VA20
(100 A)
3VA21
(160 A)
3VA22
(250 A)
3VA23
(400 A)
3VA24
(630 A)
Product standard
IEC
60947
-2
IEC
60947
-2
IEC
60947
-2
IEC
60947
-2
IEC
60947
-2
IEC
60947
-2
IEC
60947
-2
IEC
60947
-2
IEC
60947
-2
Rated operational
voltage U
e
AC 50 /
60 Hz
[V AC]
600²
600²
600²
600²
600²
600²
600²
600²
600²
Rated operational
current I
n
at 50 °C
ambient tempera-
ture
[A]
16
…160
16
…250
250
…400
400
…630
25
…100
25
…160
160
…250
250
…400
400
…630
Rated operational
frequency
[Hz]
50/60
50/60
50/60
50/60
50/60
50/60
50/60
50/60
50/60
Short-time with-
stand current I
cw
at
1s
[kA]
2
1
3
1
4.8
1
n.a.
n.a.
n.a.
n.a.
n.a.
n.a.
Impulse withstand
voltage (U
imp
) of
the main circuit
[kV]
8
8
8
8
8
8
8
8
8
Impulse withstand
voltage (U
imp
) of
the control circuit
[kV]
4
4
4
4
4
4
4
4
4
1
Applies to 3VA switch disconnector
2
Due to maximum rated voltage U
n
of the ATC6500 controller of 600 V AC
