Siemens 1FK7 Series User Manual

Description
3.4 Design
Synchronous Motors 1FK7
Operating Instructions, 03/2011, 610.40700.40c
17
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 Sound pressure level
Shaft height Measuring-surface sound pressure level Lp(A)
1FK701 to 1FK704 55 dB(A) + 3 dB tolerance
1FK706 65 dB(A) + 3 dB tolerance
1FK708 to 1FK710 70 dB(A) + 3 dB tolerance
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.
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Siemens 1FK7 Series Specifications

General

Product type	Synchronous motor
Encoder	Incremental encoder, absolute encoder
Cooling method	Natural cooling, forced-air cooling
Degree of protection	IP64, IP65
Speed range	Up to 9000 rpm
Feedback system	Encoder or resolver