Siemens SIMATIC ET 200pro Quick Manual page 125

CLASS 10
Device installation
Rated current I
e
Ambient temperature
Type of protection
Duty cycle = 30% (8xI
e
0.5 s
Duty cycle = 70% (8xI
e
0.5 s
Duty cycle = 30% (8xI
e
1 s
Duty cycle = 70% (8xI
e
1 s
3RK1304-5LS70-...... (1.5 A to 12 A)
Class 10a
Device installation
Rated current I
e
Ambient temperature
Type of protection
Duty cycle = 30% (8xI
e
0.3 s
Duty cycle = 70% (8xI
e
0.3 s
Duty cycle = 30% (8xI
e
0.6 s
Duty cycle = 70% (8xI
e
0.6 s
CLASS 10
Device installation
Rated current I
e
Ambient temperature
Type of protection
Duty cycle = 30% (8xI
e
0.6 s
Duty cycle = 70% (8xI
e
0.6 s
Duty cycle = 30% (8xI
e
1.2 s
Duty cycle = 70% (8xI
e
1.2 s
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
5 A 5 A
40°C 50°C
1) 2) 1)
) / 120 700 120
) / 70 400 70
) / 60 350 60
) / 37 190 37
vertical
7 A 5.8 A
40°C 50°C
1) 2) 1)
) / 200 630 200
) / 120 280 120
) / 100 320 100
) / 60 140 60
vertical
7 A 5.8 A
40°C 50°C
1) 2) 1)
) / 100 320 100
) / 60 140 60
) / 50 160 50
) / 30 70 30
=> motor protection
e
5 A 5 A
55°C 40°C
2) 1) 2) 1)
520 120 420 120
280 70 200 70
260 60 220 60
140 37 100 37
5 A 6 A
55°C 40°C
2) 1) 2) 1)
670 200 740 200
290 120 330 120
330 100 370 100
140 60 160 60
5 A 6 A
55°C 40°C
2) 1) 2) 1)
330 100 370 100
140 60 160 60
170 50 190 50
70 30 80 30
horizontal
5 A 4.5 A
50°C 55°C
2) 1) 2) 1)
580 120 430 120
340 70 200 70
290 60 220 60
170 37 100 37
horizontal
5 A 4.5 A
50°C 55°C
2) 1) 2) 1)
700 200 700 200
320 120 320 120
350 100 350 100
160 60 160 60
horizontal
5 A 4.5 A
50°C 55°C
2) 1) 2) 1)
350 100 350 100
160 60 160 60
170 50 170 50
80 30 80 30
2)
430
200
220
100
2)
700
320
350
160
2)
350
160
170
80
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