Siemens SIMATIC ET 200pro - Page 118

SIMATIC - ET 200pro motor starter
8-26 GWA 4NEB 950 5661-02 DS 04
CLASS 20
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%, Start
4xI
e
/1 s
60 220 60 220 60 220 60 220 60 220 60 220
Duty cycle = 70%, Start
4xI
e
/1 s
371103711037110371103711037110
Duty cycle = 30%, Start
4xI
e
/2 s
301003010030100301003010030100
Duty cycle = 70%, Start
4xI
e
/2 s
18 50 18 50 18 50 18 50 18 50 18 50
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%, Start
4xI
e
/1 s
250 910 250 780 250 650 250 860 250 650 250 650
Duty cycle = 70%, Start
4xI
e
/1 s
150 460 150 400 150 300 150 460 150 280 150 280
Duty cycle = 30%, Start
4xI
e
/2 s
120 420 120 370 120 320 120 420 120 320 120 320
Duty cycle = 70%, Start
4xI
e
/2 s
70 210 70 190 70 150 70 210 70 140 70 140
CLASS 10
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
/2 s
120 450 120 380 120 320 120 430 120 320 120 320
Duty cycle = 70%, Start
4xI
e
/2 s
70 230 70 180 70 130 70 230 70 140 70 140
Duty cycle = 30%, Start
4xI
e
/4 s
60 210 60 190 60 160 60 210 60 160 60 160
Duty cycle = 70%, Start
4xI
e
/4 s
37 100 37 100 37 70 37 100 37 70 37 70
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.)