SIEMENS
6/40
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
3RW4443
3RW4444
3RW4445
3RW4446
3RW4447
Power electronics
Rated operational current
I
e
A
203
250
313
356
432
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
203/180/156
250/215/185
313/280/250
356/315/280
432/385/335
Smallest adjustable rated motor current
I
M
For the motor overload protection
A
40
50
62
71
86
Power loss
• In operation after completed starting with uninterrupted rated
operational current (40 / 50 / 60 °C) approx.
W
89/81/73
110/94/83
145/126/110
174/147/126
232/194/159
• During starting with current limit set to 350%
I
M
(40 / 50 / 60 °C)
W
3350/2600/2150
4000/2900/2350
4470/4000/3400
5350/4050/3500
5860/5020/4200
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
203/180/156
250/215/185
313/280/250
356/315/280
432/385/335
-
Starts per hour
3)
1/h
41
41
41
41
39
-
Rated motor current
I
M
2)
, ramp-up time 10 s
A
203/180/156
250/215/185
313/280/250
356/315/280
432/385/335
-
Starts per hour
3)
1/h
20
20
19
17
16
•
For normal starting (CLASS 10)
-
Rated motor current
I
M
2)
, ramp-up time 10 s
A
203/180/156
250/215/185
313/280/250
356/315/280
432/385/335
-
Starts per hour
3)
1/h
20
20
19
17
16
-
Rated motor current
I
M
2)
, ramp-up time 20 s
A
203/180/156
250/215/185
313/280/250
356/315/280
432/385/335
-
Starts per hour
3)
1/h
9
10
6
4
5
•
For normal starting (CLASS 15)
-
Rated motor current
I
M
2)
, ramp-up time 15 s
A
203/180/156
240/215/185
313/280/250
325/295/265
402/385/335
-
Starts per hour
3)
1/h
13
13
10
13
11
-
Rated motor current
I
M
2)
, ramp-up time 30 s
A
203/180/156
240/215/185
313/280/250
325/295/265
402/385/335
-
Starts per hour
3)
1/h
3
6
1
2
1
•
For heavy starting (CLASS 20)
-
Rated motor current
I
M
2)
, ramp-up time 20 s
A
195/175/155
215/195/180
275/243/221
285/263/240
356/326/295
-
Starts per hour
3)
1/h
10
10
10
10
10
-
Rated motor current
I
M
2)
, ramp-up time 40 s
A
195/175/155
215/195/180
275/243/221
285/263/240
356/326/295
-
Starts per hour
3)
1/h
1
5
1
3
1
•
For very heavy starting (CLASS 30)
-
Rated motor current
I
M
2)
, ramp-up time 30 s
A
162/148/134
180/165/150
220/201/182
240/223/202
285/260/235
-
Starts per hour
3)
1/h
6
6
6
6
6
-
Rated motor current
I
M
2)
, ramp-up time 60 s
A
162/148/134
180/165/150
220/201/182
240/223/202
285/260/235
-
Starts per hour
3)
1/h
3
3
3
2
1
© Siemens AG 2016