Product Description; Fields Of Application - Siemens SIRIUS 3RW30 Manual

Product description

3.1

Fields of application

Soft starters are used to start three-phase induction motors with reduced torque and reduced
starting current.
SIRIUS soft starter family
The SIEMENS SIRIUS soft starter family comprises three different versions with different
functionalities and prices.
3RW30 and 3RW40
Simple or standard applications are covered by the SIRIUS 3RW30 and 3RW40 soft starters
and are described in this manual.
3RW44
The SIRIUS 3RW44 soft starter is used if higher functionality is specified, e.g.
communication over PROFIBUS or the availability of measuring and monitoring values, as
well as for ultra-heavy-duty starting. The SIRIUS 3RW44 soft starter is described in a
separate system manual.
Download from 3RW44 manual
(http://support.automation.siemens.com/WW/view/de/21772518).
SIRIUS 3RW30 / 3RW40
Manual, 10/2018, NEB535199502000/RS-AB/005
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