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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
Product standard
Rated operational
[V AC]
voltage U
AC 50 /
e
60 Hz
Rated operational
[A]
current I
at 50 °C
n
ambient tempera-
ture
Rated operational
[Hz]
frequency
Short-time with-
[kA]
stand current I
at
cw
1s
Impulse withstand
[kV]
voltage (U
) of
imp
the main circuit
Impulse withstand
[kV]
voltage (U
) of
imp
the control circuit
Applies to 3VA switch disconnector
1
Due to maximum rated voltage U
2
3KC ATC6500 transfer control device
Manual, 05/2019, L1V30538268002A-01
3VA11
3VA12
3VA13
(160 A)
(250 A)
(400 A)
IEC
IEC
IEC
60947
60947
60947
-2
-2
-2
600²
600²
600²
16
16
250
...160
...250
...400
50/60
50/60
50/60
2
3
4.8
1
1
8
8
8
4
4
4
of the ATC6500 controller of 600 V AC
n
7.3 Connection of Siemens SENTRON switching devices
3VA14
3VA20
(630 A)
(100 A)
IEC
IEC
60947
60947
-2
-2
600²
600²
400
25
...630
...100
50/60
50/60
n.a.
n.a.
1
8
8
4
4
3VA21
3VA22
3VA23
(160 A)
(250 A)
(400 A)
IEC
IEC
IEC
60947
60947
60947
-2
-2
-2
600²
600²
600²
25
160
250
...160
...250
...400
50/60
50/60
50/60
n.a.
n.a.
n.a.
8
8
8
4
4
4
Connection
3VA24
(630 A)
IEC
60947
-2
600²
400
...630
50/60
n.a.
8
4
105
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