3.8 Balancing
The motors are balanced according to EN 60034-14.
Motors with featherkey in the shaft are half-key balanced.
A mass equalization for the protruding half key must be taken into account for the output
elements.
Mechanical properties
3.8 Balancing
1FK2 Synchronous Motors for SINAMICS S120
Conguration Manual, 02/2022, A5E46927724B AD 53