SIEMENS
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Siemens IC 10 · 2017
Power Contactors for Switching Motors
SIRIUS 3RT contactors, 3-pole up to 250 kW
3
Type
3RT105.
3RT106.
3RT107.
Size
S6
S10
S12
Control
Operating range
of the solenoid operating
mechanism
AC/DC
0.8 x
U
s min
... 1.1 x
U
s max
Power consumption
of the solenoid operating mechanism
(with cold coil and rated rated range
U
s min
...
U
s max
)
Conventional operating mechanisms
• AC operation
-
Closing at
U
s min
VA/p.f.
250/0.9
490/0.9
700/0.9
-
Closing at
U
s max
VA/p.f.
300/0.9
590/0.9
830/0.9
-
Closed at
U
s min
VA/p.f.
4.8/0.8
5.6/0.9
7.6/0.9
-
Closed at
U
s max
VA/p.f.
5.8/0.8
6.7/0.9
9.2/0.9
• DC operation
-
Closing at
U
s min
W
300
540
770
-
Closing at
U
s max
W
360
650
920
-
Closed at
U
s min
W
4.3
6.1
8.5
-
Closed at
U
s max
W
5.2
7.4
10
Solid-state operating mechanisms
• AC operation
-
Closing at
U
s min
VA/p.f.
190/0.8
400/0.8
560/0.8
-
Closing at
U
s max
VA/p.f.
280/0.8
530/0.8
750/0.8
-
Closed at
U
s min
VA/p.f.
3.5/0.6
5.5/0.5
5.6/0.5
-
Closed at
U
s max
VA/p.f.
4.8/0.6
8.5/0.4
9/0.4
• DC operation
-
Closing at
U
s min
W
250
440
600
-
Closing at
U
s max
W
320
580
800
-
Closed at
U
s min
W
2.1
2.8
3
-
Closed at
U
s max
W
2.8
3.4
3.6
PLC control input
acc. to IEC 61131-2
• Version
Type 2 – suitable for signals from semiconductor switches
• Rated voltage
V DC
24
• Operating range
V DC
17 ... 30
• Power consumption
mA
30
Operating times
(Total break time = Opening delay + Arcing time)
Conventional operating mechanisms
• For
U
s min
...
U
s max
-
Closing delay
ms
25 ... 50
35 ... 50
50 ... 70
-
Opening delay
ms
40 ... 60
50 ... 80
70 ... 100
Solid-state operating mechanism, actuated via A1/A2
• For
U
s min
...
U
s max
-
Closing delay
ms
100 ... 120
110 ... 130
125 ... 150
-
Opening delay
ms
80 ... 100
Solid-state operating mechanism, actuated via PLC input
• For
U
s min
...
U
s max
-
Closing delay
ms
40 ... 60
50 ... 65
65 ... 80
-
Opening delay
ms
80 ... 100
• Arcing time
ms
10 ... 15
© Siemens AG 2016