Siemens SIRIUS 3RW51 Equipment Manual page 20

Description
3.3 Operating principle
• Integrated electronic motor overload protection with adjustable trip class (Class 10A, 10E,
20E, Class OFF)
• Intrinsic device protection protects the 3RW51 soft starter against overload
• Ramp-up detection
• Extended operating and diagnostic functions is provided by the optional 3RW5 HMI
Standard or 3RW5 HMI High Feature
• Connection to the motor in standard (inline) circuit or in inside-delta circuit
• Adjustable RESET MODE (Manual RESET, Remote RESET, Auto RESET) for the functions of
motor protection
• Analog output for displaying a set measured value
• Optional 3RW5 communication module for integration into bus systems
• Firmware updates upgrade the firmware of the respective device
Additional information
You will find an overview of all of the functions of the 3RW5 soft starter in the Catalog IC 10
(https://support.industry.siemens.com/cs/ww/en/view/109747945).
You will find further details of the functions in chapter Functions (Page 89).
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Equipment Manual, 09/2020, A5E37108631002A/RS-AC/003
SIRIUS 3RW51 Soft Starter