Motor Components (Options)
Thermal motor protection
1FK7 Synchronous Motors
4-2 Configuration Manual (PFK7), 10/2005 Edition, 6SN1197-0AD06-0BP1
Fig. 4-1 Resistance characteristic of the KTY 84 as a function of the temperature
Caution
The integrated temperature sensor protects the synchronous against an overload condition
Shaft heights 28 to 48 up to 2 • I
060K
and speed <> 0h
from shaft height 63 up to 4 • I
0 60K
and speed <> 0
For load applications that are critical from a thermal perspective – e.g. overload when the
motor is stationary or an overload of M
max
longer than 4 s, adequate protection is no longer
available.
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