SIEMENS
6/41
Siemens IC 10 · 2017
SIRIUS 3RW Soft Starters
3RW44 for High Feature Applications
General data
6
1)
Measurement at 60 °C according to UL/CSA not required.
2)
Current limit on soft starter set to 350 %
I
M,
ON period = 70 %.
Maximum adjustable rated motor current
I
M
dependent on CLASS setting.
3)
For intermittent duty S4 with ON period = 70 %,
T
u
= 40 / 50 / 60 °C,
stand-alone installation vertical. The quoted switching frequencies do not
apply for automatic mode.
Type
3RW4453
3RW4454
3RW4455
3RW4456
3RW4457
3RW4458
3RW4465
3RW4466
Power electronics
Rated operational current
I
e
A
551
615
693
780
880
970
1076
1214
Load rating with rated operational current
I
e
• According to IEC and UL/CSA
1)
, for
individual mounting, AC-53a
-
At 40 / 50 / 60 °C
A
551/494/438
615/551/489
693/615/551
780/693/615
880/780/693
970/850/760
1076/970/880
1214/1076/970
Smallest adjustable rated motor current
I
M
For the motor overload protection
A
110
123
138
156
176
194
215
242
Power loss
• In operation after completed starting with
uninterrupted rated operational current
(40 / 50 / 60 °C) approx.
W
159/135/113
186/156/130
220/181/152
214/176/146
250/204/168
270/215/179
510/420/360
630/510/420
• During starting with current limit set to
350 %
I
M
-
At 40 °C
W
7 020
8 100
9 500
11 100
13 100
15 000
15 000
17 500
-
At 50 °C
W
6 111
7 020
8 100
9 500
11 000
12 500
13 000
15 000
-
At 60 °C
W
5 263
5 996
7 020
8 100
8 100
10 700
11 500
13 000
Permissible rated motor current and starts
per hour at 40 °C / 50 °C / 60 °C
•
For normal starting (CLASS 5)
-
Rated motor current
I
M
2)
,
ramp-up time 5 s
A
551/494/438
615/551/489
693/615/551
780/693/615
880/780/693
970/850/760
1076/970/880
1214/1076/970
-
Starts per hour
3)
1/h
41
41
37
33
22
17
30
20
-
Rated motor current
I
M
2)
,
ramp-up time 10 s
A
551/494/438
615/551/489
693/615/551
780/693/615
880/780/693
970/850/760
1076/970/880
1214/1076/970
-
Starts per hour
3)
1/h
20
20
16
13
8
5
10
6
•
For normal starting (CLASS 10)
-
Rated motor current
I
M
2)
,
ramp-up time 10 s
A
551/494/438
615/551/489
693/615/551
780/693/615
880/780/693
970/850/760
1076/970/880
1214/1076/970
-
Starts per hour
3)
1/h
20
20
16
13
8
5
11
6
-
Rated motor current
I
M
2)
,
ramp-up time 20 s
A
551/494/438
615/551/489
693/615/551
780/693/615
880/780/693
970/850/760
1076/970/880
1214/1076/970
-
Starts per hour
3)
1/h
10
9
6
4
0.3
0.3
3
0.5
•
For normal starting (CLASS 15)
-
Rated motor current
I
M
2)
,
ramp-up time 15 s
A
551/494/438
615/551/489
666/615/551
723/693/615
780/710/650
821/755/693
1020/950/850
1090/1000/920
-
Starts per hour
3)
1/h
13
13
11
9
8
8
7
5
-
Rated motor current
I
M
2)
,
ramp-up time 30 s
A
551/494/438
615/551/489
666/615/551
723/693/615
780/710/650
821/755/693
1020/950/850
1090/1000/920
-
Starts per hour
3)
1/h
6
4
3
1
0.4
0.5
1
1
•
For heavy starting (CLASS 20)
-
Rated motor current
I
M
2)
,
ramp-up time 20 s
A
551/494/438
591/551/489
633/615/551
670/634/576
710/650/590
740/685/630
970/880/810
1030/940/860
-
Starts per hour
3)
1/h
10
10
7
8
8
9
7
5
-
Rated motor current
I
M
2)
,
ramp-up time 40 s
A
551/494/438
591/551/489
633/615/551
670/634/576
710/650/590
740/685/630
970/880/810
1030/940/860
-
Starts per hour
3)
1/h
4
2
1
1
0.4
1
1
1
•
For very heavy starting (CLASS 30)
-
Rated motor current
I
M
2)
,
ramp-up time 30 s
A
500/480/438
525/489/455
551/520/480
575/540/490
600/550/500
630/580/530
880/810/740
920/850/780
-
Starts per hour
3)
1/h
6
6
6
6
6
6
6
6
-
Rated motor current
I
M
2)
,
ramp-up time 60 s
A
500/480/438
525/489/455
551/520/480
575/540/490
600/550/500
630/580/530
880/810/740
920/850/780
-
Starts per hour
3)
1/h
2
1
1
1
1.5
1
1
1
© Siemens AG 2016