Siemens SIMATIC ET 200pro Quick Manual page 119

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
3RK1304-5LS70-...... (1.5 A to 12 A)
Class 10a
Device installation
Rated current I
e
Ambient temperature
Type of protection
Duty cycle = 30%, Start
4xI /1 s
e
Duty cycle = 70%, Start
4xI /1 s
e
Duty cycle = 30%, Start
4xI /2 s
e
Duty cycle = 70%, Start
4xI /2 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 8-6: Switching frequencies with activated soft start function (cont.)
SIMATIC – ET 200pro motor starter
GWA 4NEB 950 5661-02 DS 04
vertical
5 A 5 A
40°C 50°C
1) 2) 1) 2)
80 300 80 250
50 150 50 130
40 140 40 130
25 70 25 65
vertical
5 A 5 A
40°C 50°C
1) 2) 1) 2)
60 220 60 190
37 110 37 100
30 100 30 95
18 50 18 50
vertical
7 A 5.8 A
40°C 50°C
1) 2) 1) 2)
250 580 250 600
150 260 150 260
120 290 120 300
70 130 70 130
=> motor protection
e
5 A 5 A
55°C 40°C
1) 2) 1) 2)
80 220 80 280
50 100 50 150
40 110 40 140
25 50 25 70
5 A 5 A
55°C 40°C
1) 2) 1) 2)
60 160 60 210
37 70 37 115
30 80 30 105
18 35 18 50
5 A 6 A
55°C 40°C
1) 2) 1) 2)
250 650 250 650
150 300 150 280
120 320 120 320
70 150 70 140
horizontal
5 A 4.5 A
50°C 55°C
1) 2) 1) 2)
80 210 80 210
50 95 50 95
40 105 40 105
25 50 25 50
horizontal
5 A 4.5 A
50°C 55°C
1) 2) 1) 2)
60 160 60 160
37 70 37 70
30 80 30 80
18 35 18 35
horizontal
5 A 4.5 A
50°C 55°C
1) 2) 1) 2)
250 650 250 650
150 280 150 280
120 320 120 320
70 140 70 140
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