Noise Emission - Siemens 1FK7 Series Operating Instructions Manual

3.4.6

Noise emission

When operated in the speed range 0 to rated speed, 1FK7 motors can reach the following
measuring-surface sound pressure level Lp(A):
Table 3- 5
Shaft height
1FK701 to 1FK704
1FK706
1FK708 to 1FK710
The motors are certified for a wide range of installation and operating conditions. These
conditions such as rigid or vibration-isolated foundation design influence noise emission,
sometimes significantly.
Synchronous Motors 1FK7
Operating Instructions, 03/2011, 610.40700.40c
Sound pressure level
Measuring-surface sound pressure level Lp(A)
55 dB(A) + 3 dB tolerance
65 dB(A) + 3 dB tolerance
70 dB(A) + 3 dB tolerance
Description
3.4 Design
17