Siemens SIMATIC ET 200pro Quick Manual page 127

CLASS 10
Device installation
Rated current I
e
Ambient temperature
Type of protection
Duty cycle = 30%, Start
4xI /2 s
e
Duty cycle = 70%, Start
4xI /2 s
e
Duty cycle = 30%, Start
4xI /4 s
e
Duty cycle = 70%, Start
4xI /4 s
e
CLASS 15
Device installation
Rated current I
e
Ambient temperature
Type of protection
Duty cycle = 30%, Start
4xI /3 s
e
Duty cycle = 70%, Start
4xI /3 s
e
Duty cycle = 30%, Start
4xI /6 s
e
Duty cycle = 70%, Start
4xI /6 s
e
Class 20
Device installation
Rated current I
e
Ambient temperature
Type of protection
Duty cycle = 30%, Start
4xI /4 s
e
Duty cycle = 70%, Start
4xI /4 s
e
Duty cycle = 30%, Start
4xI /8 s
e
Duty cycle = 70%, Start
4xI /8 s
e
1) Effective stress cycles value corresponds to 1.15 x I
2) Stress cycle limit for motor starter. The motor should be protected here against overloads by means of a thermistor.
Table 8-7: Switching frequencies with deactivated soft start function (direct start) (cont.)
SIMATIC – ET 200pro motor starter
GWA 4NEB 950 5661-02 DS 04
vertical
12 A 12 A
40°C 50°C
1) 2) 1) 2)
107 107 77 77
70 80 50 50
54 54 38 38
38 40 25 25
vertical
12 A 12 A
40°C 50°C
1) 2) 1) 2)
72 72 52 52
50 54 34 34
36 36 26 26
25 27 17 17
vertical
12 A 12 A
40°C 50°C
1) 2) 1) 2)
54 54 38 38
38 40 25 25
27 27 19 19
18 20 12 12
=> motor protection
e
12 A 12 A
55°C 40°C
1) 2) 1) 2)
63 63 88 88
35 35 62 62
312 31 44 44
18 18 31 31
12 A 12 A
55°C 40°C
1) 2) 1) 2)
42 42 59 59
24 24 41 41
21 21 29 29
12 12 20 20
12 A 12 A
55°C 40°C
1) 2) 1) 2)
31 31 44 44
18 18 31 31
15 15 22 22
9 9 15 15
horizontal
12 A 11 A
50°C 55°C
1) 2) 1) 2)
63 63 60 60
36 36 33 33
31 31 31 31
18 18 18 18
horizontal
12 A 11 A
50°C 55°C
1) 2) 1) 2)
42 42 40 40
24 24 24 24
21 21 20 20
12 12 12 12
horizontal
12 A 11 A
50°C 55°C
1) 2) 1) 2)
31 31 31 31
18 18 18 18
15 15 15 15
9 9 9 9
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