2920 1190 05
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Industrial Air Division Instruction book
2.2 Electric cable size
Attention
- Local regulations remain applicable if they are stricter than
the values proposed below.
- The voltage drop shall not exceed 5% of the nominal
voltage. It may be necessary to use cables with a larger
size than those stated to comply with this requirement.
- Use the original cable entrance. In case additional holes
must be provided in the cubicle, take care that nothing can
drop into the start and speed regulation unit (U1).
- A ground fault circuit interrupter must not be used to
connect GA VSD compressors.
Compressor type GA50 (W) VSD GA90 (W) VSD
Voltage (V) . . . . . . . . . . . 380/460 400
Frequency (Hz) . . . . . . . . 50/60 50/60
Maximum line
current (A) . . . . . . . . . . . 160 200
Cable size (mm2/
AWG size) . . . . . . . . . . . 50 95
Fig. 11a. Installation proposal of GA50 VSD