SIEMENS
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Siemens IC 10 · 2017
Contactors for Special Applications
SIRIUS 3RT13 contactors, 4-pole
4
Type
3RT1344
3RT1346
Size
S3
Rated data of the main contacts
Load rating with AC
Utilization category AC-1,
switching resistive loads
• Rated operational currents
I
e
At 40 °C, up to 690 V
A
110
140
At 60 °C, up to 690 V
A
100
120
• Rated power of AC loads
P.f. = 0.95 (at 40 °C)
At 230 V
kW
42
53
400 V
kW
72
92
• Minimum conductor cross-section
for loads with
I
e
At 40 °C
mm²
50
60 °C
mm²
50
Utilization categories AC-2 and AC-3
• Rated operational currents
I
e
at 60 °C, at 400 V
A
--
• Rated power of
slipring or squirrel-cage motors
at 50 and 60 Hz
At 230 V
kW
--
400 V
kW
--
Maximum AC breaking current
(e.g. for isolation of load distributions)
• at 50 and 60 Hz
At 400 V
A
520
760
Load rating with DC
Utilization category DC-1,
switching resistive load (
L/R
1 ms)
• Rated operational currents
I
e
(at 40 °C)
-
1 conducting path
Up to 24 V
A
70
80
60 V
A
23
60
110 V
A
4.5
9
220 V
A
1
2
440 V
A
0.4
0.6
-
2 conducting paths in series
Up to 24 V
A
70
80
60 V
A
70
80
110 V
A
70
80
220 V
A
5
10
440 V
A
1
1.8
-
3 conducting paths in series
Up to 24 V
A
70
80
60 V
A
70
80
110 V
A
70
80
220 V
A
70
80
440 V
A
2.9
4.5
-
4 conducting paths in series
Up to 24 V
A
70
80
60 V
A
70
80
110 V
A
70
80
220 V
A
70
80
440 V
A
2.9
4.5
Utilization category DC-3/DC-5,
shunt-wound and series-wound motors (
L/R
15 ms)
• Rated operational currents
I
e
(at 40 °C)
-
1 conducting path
Up to 24 V
A
20
60 V
A
6
6.5
110 V
A
2.5
220 V
A
1
440 V
A
0.15
-
2 conducting paths in series
Up to 24 V
A
70
80
60 V
A
70
80
110 V
A
70
80
220 V
A
7
440 V
A
0.42
-
3 conducting paths in series
Up to 24 V
A
70
80
60 V
A
70
80
110 V
A
70
80
220 V
A
35
440 V
A
0.8
-
4 conducting paths in series
Up to 24 V
A
70
80
60 V
A
70
80
110 V
A
70
80
220 V
A
70
80
440 V
A
0.8
© Siemens AG 2016