Siemens SIRIUS 3RW50 - Page 127

Functions
7.4 Motor protection
SIRIUS 3RW50 soft starter
Manual, 09/2019, A5E35628455002A/RS-AA/001
127
Parameter
Description
Tripping class The tripping class specifies the maximum time within which a
protective device must trip from a cold state at 7.2 x the rated
operational current I
e
(motor protection to IEC 60947).
• CLASS OFF: Deactivates the electronic motor overload
protection
• CLASS 10A / 10E / 20E: Tripping times according to the
tripping class
Rated operational current I
e
The rated operational current I
e
is the current that can be
continuously conducted by the feeder (switchgear and motor).
Normally this is the rated operational current I
e
of the motor.
Recovery time following motor overload protection tripping
The recovery time after the electronic overload protection is tripped is 5 minutes. With Auto
RESET set, the error is automatically reset after the recovery time has elapsed. With Manual
RESET or Remote RESET set, a RESET is only possible once the recovery time has
elapsed.
You will find further information on resetting the faults in Chapter RESET MODE (Page 98).