Degree Of Protection - Siemens SIMOTICS S-1FK2 Operating Instructions Manual

Note
Installation instructions
The motor is not suitable for operation
• In salt-laden or aggressive atmospheres
• Outdoors
• In a vacuum
• In hazardous areas with a danger of explosion
You will find additional data on the ambient conditions, such as for transport and storage of the
motor, in Chapter "Transportation and storage (Page 52)".
2.2.4

Degree of protection

1FK2 motors can be designed with degree of protection IP64 or IP65.
The degree of protection if stated on the rating plate.
The motors with IP65 degree of protection have a radial shaft seal ring.
1FK2☐03 ... 1FK2☐04
①
Radial shaft seal ring
The radial shaft seal ring shortens the useful shaft extension on the 1FK2☐03 and 1FK2☐04.
Note
It is permissible that the radial shaft seal ring runs dry.
With degree of protection IP65, it is not permissible for liquid to collect in the flange.
The service life of the radial shaft seal ring is approximately 25000 operating hours.
SIMOTICS S-1FK2 synchronous motors for SINAMICS S120
Operating Instructions, 02/2022, A5E46089564B AD
2.2 Technical characteristics and ambient conditions
1FK2☐05 ... 1FK2☐10
Description of the motors
25