Connection
7.3 Connection of Siemens SENTRON switching devices
3KC ATC6300 transfer control device
Manual, 03/2018, L1V30535632002A-01
83
7.
Rated impulse withstand voltage
8.
Switch position of the TSE
The following table lists the required data of the air circuit breakers and molded case circuit
breakers.
Note
Still check the data of the circuit breaker used against the corresponding catalog or manual.
Take the required data for the RTSE variants PC, 3KC3 and 3KC4 from the corresponding
manual or catalog.
Take the required data for the RTSE variants PC, 3KC3 and 3KC4 from the corresponding
manual or catalog.
Key features of the 3VA
Unit
3VA1
160A
3VA1 250A 3VA2 100A 3VA2 160A 3VA2 250A 3VA2 400A 3VA2 630A
Compatible with
standard for trans-
fer switching
equipment
IEC60947-
6-1
IEC60947-
6-1
IEC60947-
6-1
IEC60947-
6-1
IEC60947-
6-1
IEC60947-
6-1
IEC60947-
6-1
Device class
CB
1
CB
1
CB
CB
CB
CB
CB
Rated operational
voltage U
e
AC 50 /
60 Hz
[V AC]
480
3
480³
480³
480³
480³
480³
480³
Rated operational
current I
n
at 50 °C
ambient tempera-
ture
[A]
16 … 160 16 … 250
25 … 100
25 … 160 160 … 250 250 … 400 400 … 630
Utilization catego-
ry according to
IEC 60947-6-1
AC-32B
AC-32B
AC-32B
AC-32B
AC-32B
AC-32B
AC-32B
Rated operational
frequency
[Hz]
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
2
3
2
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
Impulse withstand
voltage (U
imp
) of
the control circuit
[kV]
4
4
4
4
4
4
4
1
PC if the 3VA is used as a switch disconnector
2
Applies to 3VA switch disconnector
3
Reduction due to maximum nominal voltage U
n
of the ATC6300 controller of 480 V AC