SIEMENS
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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
3RW4422
3RW4423
3RW4424
3RW4425
3RW4426
3RW4427
Power electronics
Rated operational current
I
e
A
29
36
47
57
77
93
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
29/26/23
36/32/29
47/42/37
57/51/45
77/68/59
93/82/72
Smallest adjustable rated motor current
I
M
For the motor overload protection
A
5
7
9
11
15
18
Power loss
• In operation after completed starting with uninterrupted rated
operational current (40 / 50 / 60 °C) approx.
W
8/7.5/7
10/9/8.5
32/31/29
36/34/31
45/41/37
55/51/47
• During starting with current limit set to 350%
I
M
(40 / 50 / 60 °C)
W
400/345/290
470/410/355
600/515/440
725/630/525
940/790/660
1160/980/830
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
29/26/23
36/32.5/29
47/42/37
57/51/45
77/68/59
93/82/72
-
Starts per hour
3)
1/h
41
34
41
41
41
41
-
Rated motor current
I
M
2)
, ramp-up time 10 s
A
29/26/23
36/32.5/29
47/42/37
57/51/45
77/68/59
93/82/72
-
Starts per hour
3)
1/h
20
15
20
20
20
20
•
For normal starting (CLASS 10)
-
Rated motor current
I
M
2)
, ramp-up time 10 s
A
29/26/23
36/32.5/29
47/42/37
57/51/45
77/68/59
93/82/72
-
Starts per hour
3)
1/h
20
15
20
20
20
20
-
Rated motor current
I
M
2)
, ramp-up time 20 s
A
29/26/23
36/32.5/29
47/42/37
57/51/45
77/68/59
93/82/72
-
Starts per hour
3)
1/h
10
6
10
10
8
8
•
For normal starting (CLASS 15)
-
Rated motor current
I
M
2)
, ramp-up time 15 s
A
29/26/23
36/32.5/29
47/42/37
57/51/45
77/68/59
93/82/72
-
Starts per hour
3)
1/h
13
9
13
13
13
13
-
Rated motor current
I
M
2)
, ramp-up time 30 s
A
29/26/23
36/32.5/29
47/42/37
57/51/45
77/68/59
93/82/72
-
Starts per hour
3)
1/h
6
4
6
6
6
6
•
For heavy starting (CLASS 20)
-
Rated motor current
I
M
2)
, ramp-up time 20 s
A
29/26 /23
36/32.5/29
47/42/37
57/51/45
77/68/59
88/80/72
-
Starts per hour
3)
1/h
10
6
10
10
10
10
-
Rated motor current
I
M
2)
, ramp-up time 40 s
A
29/26/23
36/32.5/29
47/42/37
57/51/45
77/68/59
88/80/72
-
Starts per hour
3)
1/h
4
2
4
5
1.8
0.8
•
For very heavy starting (CLASS 30)
-
Rated motor current
I
M
2)
, ramp-up time 30 s
A
29/26/23
36/32.5/29
47/42/37
57/51/45
65/60/54
77/70/63
-
Starts per hour
3)
1/h
6
4
6
6
6
6
-
Rated motor current
I
M
2)
, ramp-up time 60 s
A
29/26/23
36/32.5/29
47/42/37
57/51/45
65/60/54
77/70/63
-
Starts per hour
3)
1/h
1.8
0.8
3.3
1.5
2
1
© Siemens AG 2016