Mechanical properties
3.9 Noise emission
1FW3 complete torque motors
68 Configuration Manual, 08/2020, A5E46027705B AA
3.9 Noise emission
Hearing damage may occur if the motor exceeds a sound pressure level of 70 dB (A) due
to the type of mounting or pulse frequency.
• Reduce the sound pressure level by implementing sound damping and/or soundproofing
measures.
In operation, 1FW3 motors can reach the following measuring-surface sound-pressure level
Lp(A):
Max. 73 dB(A) at 4 kHz rated pulse frequency at the nominal operating point
Note
Sound-pressure level when reducing the pulse frequency
When the pulse frequency is reduced, a significantly higher sound pressure level can occur.
The motors are certified for a wide range of installation and operating conditions. These
installation and operating conditions, e.g. a rigid or vibration-insulated foundation design, can
significantly influence the noise emission.
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