SIEMENS
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Siemens IC 10 · 2017
SIRIUS 3RW Soft Starters
3RW30, 3RW40 for Standard Applications
3RW40
General data
6
1)
Measurement at 60 °C according to UL/CSA not required.
2)
Current limit on soft starter set to 300%
I
M
,
T
u
= 40 °C / 50 °C. Maximum
adjustable rated motor current
I
M
dependent on CLASS setting.
3)
For intermittent duty S4 with ON period = 30 %,
T
u
= 40 °C / 50 °C,
stand-alone installation vertical. The quoted switching frequencies do not
apply for automatic mode. Factors for permissible switching frequency in
other mounting position, direct mounting, side-by-side mounting, and
implementation of optional auxiliary fan,
see manual in the chapter
"Configuring"
.
Type
3RW402., 3RW403., 3RW404.
3RW405., 3RW407.
Control electronics
Rated values
Terminal
Rated control supply voltage
A1/A2
V
24 DC/AC
110 ... 230 AC/DC
115 AC
230 AC
• Tolerance
%
20
-15/+10
Rated frequency
Hz
50/60
• Tolerance
%
10
Type
3RW402.-. .B.4,
3RW403.-. .B.4,
3RW404.-. .B.4
3RW402.-. .B.5,
3RW403.-. .B.5,
3RW404.-. .B.5
3RW405.-.BB.4,
3RW407.-.BB.4
3RW405.-.BB.5,
3RW407.-.BB.5
Power electronics
Rated operational voltage
V AC
200 ... 480
400 ... 600
200 ... 460
400 ... 600
Tolerance
%
-15/+10
Maximum blocking voltage (thyristor)
V AC
1 600
1 400
1 800
Rated frequency
Hz
50/60
Tolerance
%
10
Uninterrupted duty
at 40 °C (% of
I
e
)
%
115
Minimum load
(% of smallest adjustable rated motor current
I
M
)
%
20 (at least 2 A)
Maximum cable length
between soft starter and motor
m
300
Type
3RW4024
3RW4026
3RW4027
3RW4028
Power electronics
Load rating with rated operational current
I
e
• According to IEC and UL/CSA
1)
, for individual mounting, AC-53a
-
At 40 °C
A
12.5
25.3
32.2
38
-
At 50 °C
A
11
23
29
34
-
At 60 °C
A
10
21
26
31
Smallest adjustable rated motor current
I
M
For the motor overload protection
A
5
10
17
23
Power loss
• In operation after completed starting with uninterrupted rated
operational current (40 °C) approx.
W
2
8
13
19
• During starting with current limit set to
300 %
I
M
(40 °C)
W
68
188
220
256
Permissible rated motor current and starts per hour at 40 °C / 50 °C
•
For normal starting (CLASS 10)
-
Rated motor current
I
M
2)
, starting time 3 s
A
12.5/11
25/23
32/29
38/34
-
Starts per hour
3)
1/h
50/50
23/23
23/23
19/19
-
Rated motor current
I
M
2)
, starting time 4 s
A
12.5/11
25/23
32/29
38/34
-
Starts per hour
3)
1/h
36/36
15/15
16/16
12/12
•
For heavy starting (CLASS 15)
-
Rated motor current
I
M
2)
, ramp-up time 4.5 s
A
11/10
23/21
30/27
34/31
-
Starts per hour
3)
1/h
49/49
21/21
18/18
18/18
-
Rated motor current
I
M
2)
, ramp-up time 6 s
A
11/10
23/21
30/27
34/31
-
Starts per hour
3)
1/h
36/36
14/14
13/13
13/13
•
For heavy starting (CLASS 20)
-
Rated motor current
I
M
2)
, ramp-up time 6 s
A
10/9
21/19
27/24
31/28
-
Starts per hour
3)
1/h
47/47
21/21
20/20
18/18
-
Rated motor current
I
M
2)
, ramp-up time 8 s
A
10/9
21/19
27/24
31/28
-
Starts per hour
3)
1/h
34/34
15/15
14/14
13/13
© Siemens AG 2016