Siemens SIMOTICS S-1FK2 Series Configuration Manual page 120

Glossary
NDE
Non-drive end = Non-drive end of the motor
Static torque M
0
Thermal torque limit when the motor is at a standstill corresponding to the motor thermal
class. M
Stall current I
0
Motor phase current to generate the particular stall torque (M
RMS value of a sinusoidal current.
Thermal time constant T
Defines the increase in the motor frame temperature when the motor load is suddenly
increased (step function) to the permissible S1 torque. The motor has reached 63% of its
final temperature after T
Moment of inertia J
Mot
Moment of inertia of rotating motor parts. J
118
is always ≥ the rated torque M
0
th
.
th
.
N
= k
0
= without brake, J
Mot
1FK2 synchronous motors for SINAMICS S120
Configuration Manual, 06/2019, A5E46927724B AB
• I ). Specification of the
T 0
= with brake.
Mot Br