Setting options
• 3RW5 HMI High Feature
Menu: "Parameters > Soft Starter > Parameter set 1 / 2 / 3 > Motor protection > Electronic
motor overload protection"
Access protection to the 3RW5 HMI High Feature is not active or has been reset.
• With SIRIUS Soft Starter ES (TIA Portal) via the local interface on the 3RW5 HMI High Feature
Brief overview: Window "Project Navigation" with current project under created Soft Starter >
"Parameters" > Window "Work area" > "Soft Starter > Parameter set 1 / 2 / 3 > Motor protection"
• With a fieldbus via a 3RW5 communication module:
– With SIRIUS Soft Starter ES (TIA Portal) Premium / Professional (only via a 3RW5 PROFINET
or PROFIBUS communication module)
Brief overview: See SIRIUS Soft Starter ES (TIA Portal) via the local interface on the
3RW5 HMI High Feature
– Configuration software of the control system (e.g. STEP 7 with corresponding HSP)
– User program
You can find additional information on the parameters that can be set via the fieldbus in the
manual of the respective 3RW5 communication module.
Parameters
WARNING
Automatic restart following error acknowledgment/restart.
Can cause death or serious injury.
The 3RW55 and 3RW55 Failsafe soft starters immediately continue to operate with the values
specified by the control following error acknowledgment / restart. Outputs are activated when
the ON condition is met.
Take appropriate measures to prevent unintentional restarting and to ensure a defined start of
the system.
Parameters
Description
Trip class
Deactivates the electronic motor overload protection. You will find further information
below the table.
• CLASS OFF
The tripping times correspond to the trip class. You will find further information below
the table.
• CLASS 10A
• CLASS 10E (factory setting)
• CLASS 20E
• CLASS 30E
Functions
8.3 Motor protection
SIRIUS 3RW55 and 3RW55 Failsafe Soft Starters
Equipment Manual, 02/2022, A5E35630887002A/RS-AF/006
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