Mechanical properties
3.2 Degree of protection
1FT2 synchronous motors for SINAMICS S120
Configuration Manual, 03/2021, A5E50645584B AA
33
Available degrees of protection
1FT2 motors can be supplied with degree of protection IP64, IP65, or IP67 according to
EN 60034-5 (IEC 60034-5).
The degree of protection is stated on the rating plate.
The motors with degree of protection IP65 and IP67 have a radial shaft sealing.
1FT2
☐
03 ... 1FT2
☐
04
1FT2
☐
05 ... 1FT2
☐
10
①
Radial shaft sealing ring
The radial shaft sealing ring shortens the usable shaft extension on the 1FT2
☐
03 and
1FT2
☐
04.
Note
It is permissible that the radial shaft sealing ring runs dry.
With degree of protection IP65, it is not permissible for liquid to collect in the flange.