Siemens SIMATIC ET 200pro - Table 8-7: Switching Frequencies with Deactivated Soft Start Function (Direct Start)

SIMATIC - ET 200pro motor starter
8-32 GWA 4NEB 950 5661-02 DS 04
3RK1304-5KS70-...... (0.15 A to 2 A)
Class 10a
Device installation vertical horizontal
Rated current I
e
2 A
40°C
2 A
50°C
2 A
55°C
2 A
40°C
2 A
50°C
2 A
55°C
Ambient temperature
Type of protection 1) 2) 1) 2) 1) 2) 1) 2) 1) 2) 1) 2)
Duty cycle = 30% (8xI
e
) /
0.2 s
300 2000 300 2000 300 2000 300 2000 300 2000 300 2000
Duty cycle = 70% (8xI
e
) /
0.2 s
180 1000 180 1000 180 1000 180 1000 180 1000 180 1000
Duty cycle = 30% (8xI
e
) /
0.4 s
150 1000 150 1000 150 1000 150 1000 150 1000 150 1000
Duty cycle = 70% (8xI
e
) /
0.4 s
90 520 90 520 90 520 90 520 90 520 90 520
CLASS 10
Device installation vertical horizontal
Rated current I
e
2 A
40°C
2 A
50°C
2 A
55°C
2 A
40°C
2 A
50°C
2 A
55°C
Ambient temperature
Type of protection 1) 2) 1) 2) 1) 2) 1) 2) 1) 2) 1) 2)
Direct start duty cycle =
30% (8xI
e
) / 0.4 s
150 1000 150 1000 150 1000 150 1000 150 1000 150 1000
Duty cycle = 70% (8xI
e
) /
0.4 s
905009050090500905009050090500
Duty cycle = 30% (8xI
e
) /
0.8 s
75 490 75 490 75 490 75 490 75 490 75 490
Duty cycle = 70% (8xI
e
) /
0.8 s
45 250 45 250 45 250 45 250 45 250 45 250
3RK1304-5LS70-...... (1.5 A to 12 A)
Class 10a
Device installation vertical horizontal
Rated current I
e
5 A
40°C
5 A
50°C
5 A
55°C
5 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% (8xI
e
) /
0.25 s
240 1300 240 1000 240 800 240 1150 240 840 240 840
Duty cycle = 70% (8xI
e
) /
0.25 s
150 800 150 500 150 350 150 650 150 380 150 380
Duty cycle = 30% (8xI
e
) /
0.5 s
120 700 120 500 120 400 120 580 120 430 120 430
Duty cycle = 70% (8xI
e
) /
0.5 s
70 380 70 270 70 200 70 340 70 200 70 200
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 8-7: Switching frequencies with deactivated soft start function (direct start)