An increase of 1.5 times the rated current over a 2 minute period is permissible for the drive motors (in
accordance with EN 60034-1), without tripping the motor protection switch.
Procedure
► Take the settings for the motor protection switch from the following table.
► Set the desired value on the contactor.
Voltage [V]
Frequency [Hz]
Motor rating [kW]
I
N
[A]
I
max
[A]
190 – 210
330 – 365
200 – 230
346 – 400
50
0.25
1.55
6
50
0.25
0.9
3
60
0.25
1.35
5
60
0.25
0.78
3
218 – 242
380 – 420
250 – 277
440 – 480
50
0.25
1.7
8
50
0.25
1.0
5
60
0.3
1.7
8
60
0.3
1.0
5
Tbl. 6:
Motor protection switch settings
Installation
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