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Symbols
Typical ratings:
Nominal rating (10% overload capability)
I
continuous rms current. 10% overload is allowed for one
2N
minute every ten minutes through the whole speed
range.
P
typical motor power. The kilowatt power ratings apply to
N
most IEC, 4-pole motors. The horsepower ratings apply
to most 4-pole NEMA motors.
1.1 · I
N
I
N
Sizing
The current ratings are the same regardless of the supply
voltage within one voltage range. To achieve the rated motor
power given in the table, the rated current of the drive must be
higher than or equal to the rated motor current.
In multimotor systems, the output current of the drive must be
equal or greater than the calculated sum of the input currents of
all motors.
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ACH550-01 User's Manual
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Technical data
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