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5. Low-voltage motors in
5
variable-speed operation
5.
LOW-VOLTAGE MOTORS IN VARIABLE-SPEED OPERATION
Most of ABB's motors have a sound pressure
level not exceeding 82 dB(A) (± 3 dB) at 50 Hz.
Values for specific machines can be found
in the relevant product catalogs. At 60 Hz,
the sinusoidal supply values are approximately
4 dB(A) higher than the 50 Hz values stated in
the product catalogs.
For sound pressure levels at frequency converter
supplies, please contact ABB.
When motor(s) need to be scrapped or recycled,
appropriate means, local regulations and laws
must be complied with.
15
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