Siemens SIRIUS 3RW40 - Motor Current Settings; Motor Protection Acc. to ATEX

Commissioning
13.4 Setting the motor protection function
SIRIUS 3RW30 / 3RW40
120 Manual, 10/2018, NEB535199502000/RS-AB/005
You can set different CLASS characteristics according to the startup class. If the
potentiometer is set to OFF, the "electronic motor overload protection" function is
deactivated.
Note
The rated data of the soft starters refers to norma
l starting (CLASS 10). The starters may
need to be calculated with a size allowance for heavy
-duty starting (> CLASS 10). You can
only set a rated motor current that is lower than the soft starter rated current (refer to chapter
Motor current settings
(Page 120)); if not, a fault will be indicated by the OVERLOAD LED
(red flashing ) and it will not be possible to start the SIRIUS 3RW soft starter.
13.4.2
Motor current settings
I
e
[A]
I
min
[A]
I
max
[A] CLASS 10
I
max
[A] CLASS 15
I
max
[A] CLASS 20
3RW4024-...
12.5
5
12.5
11
10
3RW4026-...
25.3
10.3
25.3
23
21
3RW4027-...
32.2
17.2
32.2
30
27
3RW4028-...
38
23
38
34
31
3RW4036-...
45
22.5
45
42
38
3RW4037-...
63
25.5
63
50
46
3RW4038-...
72
34.5
72
56
50
3RW4046-...
80
42.5
80
70
64
3RW4047-...
106
46
106
84
77
3RW4055-...
134
59
134
134
124
3RW4056-...
162
87
162
152
142
3RW4073-...
230
80
230
210
200
3RW4074-...
280
130
280
250
230
3RW4075-... 356 131 356 341 311
3RW4076-...
432
207
432
402
372
13.4.3
Motor protection acc. to ATEX
Refer to the information in chapter Motor protection / intrinsic device protection (3RW40 only)
(Page 42).