Siemens SIMATIC ET 200pro - Page 120

SIMATIC - ET 200pro motor starter
8-28 GWA 4NEB 950 5661-02 DS 04
CLASS 10
Device installation vertical horizontal
Rated current I
e
7 A
40°C
5.8 A
50°C
5 A
55°C
6 A
40°C
5 A
50°C
4.5 A
55°C
Ambient temperature
Type of protection 1) 2) 1) 2) 1) 2) 1) 2) 1) 2) 1) 2)
Duty cycle = 30%, Start
4xI
e
/2 s
120 290 120 300 120 320 120 320 120 320 120 320
Duty cycle = 70%, Start
4xI
e
/2 s
701307013070130701407014070140
Duty cycle = 30%, Start
4xI
e
/4 s
601456015060160601606016060160
Duty cycle = 70%, Start
4xI
e
/4 s
37 65 37 65 37 70 37 70 37 70 37 70
CLASS 15
Device installation vertical horizontal
Rated current I
e
7 A
40°C
5.8 A
50°C
5 A
55°C
6 A
40°C
5 A
50°C
4.5 A
55°C
Ambient temperature
Type of protection 1) 2) 1) 2) 1) 2) 1) 2) 1) 2) 1) 2)
Duty cycle = 30%, Start
4xI
e
/3 s
80 190 80 200 80 220 80 210 80 210 80 210
Duty cycle = 70%, Start
4xI
e
/3 s
50 85 50 85 50 100 50 95 50 95 50 95
Duty cycle = 30%, Start
4xI
e
/6 s
40 95 40 100 40 110 40 105 40 105 40 105
Duty cycle = 70%, Start
4xI
e
/6 s
25 45 25 45 25 50 25 50 25 50 25 50
CLASS 20
Device installation vertical horizontal
Rated current I
e
7 A
40°C
5.8 A
50°C
5 A
55°C
6 A
40°C
5 A
50°C
4.5 A
55°C
Ambient temperature
Type of protection 1) 2) 1) 2) 1) 2) 1) 2) 1) 2) 1) 2)
Duty cycle = 30%, Start
4xI
e
/4 s
601456015060160601606016060160
Duty cycle = 70%, Start
4xI
e
/4 s
37 65 37 65 37 70 37 70 37 70 37 70
Duty cycle = 30%, Start
4xI
e
/8 s
30 72 30 75 30 80 30 80 30 80 30 80
Duty cycle = 70%, Start
4xI
e
/8 s
18 33 18 33 18 35 18 35 18 35 18 35
1) Effective stress cycles value corresponds to 1.15 x I
e
=> motor protection
2) Stress cycle limit for motor starter. The motor should be protected here against overloads by means of a thermistor.
Table 8-6: Switching frequencies with activated soft start function (cont.)