The voltage on the compressor terminals must not deviate more than 10%
of the nominal voltage. It is however highly recommended to keep the
voltage drop over the supply cables. At nominal current below 5% of the
nominal voltage (IEC 60204-1). If cables
•
Use the original cable entry. See section Dimension drawings. To preserve
the protection degree of the electric cubicle and to protect its components
from dust from the environment, it is mandatory to use a proper cable
gland when connecting the supply
•
Local regulations remain applicable if they are stricter than the values
proposed below.
•
Currents are calculated with the full service factor but we suggest to add
10% due to over- and under-voltage.
Fuses are maximum allowed values calculated for full service factor and
10% over-and under-voltage.
•
Caution:
Always double-check the fuse size versus the calculated cable size. If
required, reduce fuse size or enlarge cable size.
Cable length should not exceed the maximum length according to
IEC60204 table 10
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GA 37 VSD 400 50 73.4 100 77 100
GA 37 VSD 380 60 76.8 100 81.6 100
GA 37 VSD 460 60 63.9 80 67.5 80
I: current in the supply lines at maximum load and nominal voltage
(1): compressors without integrated dryer
(2): compressors with integrated dryer
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are done according to 60364-4-43 electrical installations of buildings, part 4:
protection for safety- section 43: protection against overcurrent. Fuse sizes are calculated in order to
protect the cable against short circuit.
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IEC approval
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GA 45 VSD 400 50 90.7 100 94.3 125
GA 45 VSD 380 60 96.3 125 101.1 125
GA 45 VSD 460 60 80.3 100 84.4 100
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