Siemens SIMATIC ET 200pro - Page 126

SIMATIC - ET 200pro motor starter
8-34 GWA 4NEB 950 5661-02 DS 04
3RK1304-5LS70-...... (1.5 A to 12 A)
Class 10a
Device installation vertical horizontal
Rated current I
e
9 A
40°C
9 A
50°C
9 A
55°C
9 A
40°C
9 A
50°C
9 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
) /
0.35 s
170 330 170 240 170 200 170 280 170 200 170 170
Duty cycle = 70% (8xI
e
) /
0.35 s
100 280 100 190 100 150 10 0 230 100 155 100 120
Duty cycle = 30% (8xI
e
) /
0.7 s
85 170 85 120 85 100 85 140 85 105 85 85
Duty cycle = 70% (8xI
e
) /
0.7 s
52 140 52 95 52 75 52 120 52 82 52 62
CLASS 10
Device installation vertical horizontal
Rated current I
e
9 A
40°C
9 A
50°C
9 A
55°C
9 A
40°C
9 A
50°C
9 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
) /
0.75 s
85 160 85 115 85 95 80 130 80 95 80 80
Duty cycle = 70% (8xI
e
) /
0.75 s
52 130 52 90 52 70 50 110 50 75 50 57
Duty cycle = 30% (8xI
e
) /
1. 5 s
40 80 40 59 40 48 40 67 40 48 40 40
Duty cycle = 70% (8xI
e
) /
1. 5 s
25 67 25 47 25 37 25 56 25 38 25 29
3RK1304-5LS70-...... (1.5 A to 12 A)
Class 10a
Device installation vertical horizontal
Rated current I
e
12 A 12 A 12 A 12 A 12 A 11 A
Ambient temperature 40°C 50°C 55°C 40°C 50°C 55°C
Type of protection 1) 2) 1) 2) 1) 2) 1) 2) 1) 2) 1) 2)
Duty cycle = 30%, Start
4xI
e
/1 s
215 215 155 155 125 125 175 175 125 125 120 120
Duty cycle = 70%, Start
4xI
e
/1 s
150 150 100 100 70 70 125 125 70 70 70 70
Duty cycle = 30%, Start
4xI
e
/2 s
107 107 77 77 63 63 88 88 63 63 60 60
Duty cycle = 70%, Start
4xI
e
/2 s
70 80 50 50 35 35 62 62 36 36 33 33
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) (cont.)