Siemens SIRIUS 3RW44 Manual page 13

Solution
SIRIUS 3RW44 manual
GWA 4NEB 535 2195-02 DS 02
Motor
torque
M
M
Direct start
Motor
M
Acceleration
M
Nom
M
Load
e. g . pump
Fig. 1-2: Typical starting torque behavior of a 3-phase asynchronous motor
The current and torque behavior during start-up can be optimally adapted to the
requirement of the application using the SIRIUS 3RW44 electronic soft starter.
M stall
Motor speed
n
n
Nom
Introduction
1-3