Siemens SIMATIC ET 200pro - Page 119

SIMATIC – ET 200pro motor starter
GWA 4NEB 950 5661-02 DS 04
8-27
CLASS 15
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%, Start
4xI
e
/3 s
80 300 80 250 80 220 80 280 80 210 80 210
Duty cycle = 70%, Start
4xI
e
/3 s
50 150 50 130 50 100 50 150 50 95 50 95
Duty cycle = 30%, Start
4xI
e
/6 s
40 140 40 130 40 110 40 140 40 105 40 105
Duty cycle = 70%, Start
4xI
e
/6 s
25 70 25 65 25 50 25 70 25 50 25 50
CLASS 20
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%, Start
4xI
e
/4 s
60 220 60 190 60 160 60 210 60 160 60 160
Duty cycle = 70%, Start
4xI
e
/4 s
37 110 37 100 37 70 37 115 37 70 37 70
Duty cycle = 30%, Start
4xI
e
/8 s
30 100 30 95 30 80 30 105 30 80 30 80
Duty cycle = 70%, Start
4xI
e
/8 s
18 50 18 50 18 35 18 50 18 35 18 35
3RK1304-5LS70-...... (1.5 A to 12 A)
Class 10a
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
/1 s
250 580 250 600 250 650 250 650 250 650 250 650
Duty cycle = 70%, Start
4xI
e
/1 s
150 260 150 260 150 300 150 280 150 280 150 280
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
701307013070150701407014070140
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.)