Important Notes - Siemens 3RW44 Manual

Industrial control soft starters
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Important notes

Purpose of this manual
This manual contains fundamental information and practical tips for using SIRIUS 3RW44
soft starters. The SIRIUS 3RW44 soft starter is an electronic motor control device that
enables optimized starting and stopping of three-phase asynchronous motors.
This manual describes all the functions of the SIRIUS 3RW44 soft starter.
Target group
This manual is intended for any user involved in
● Commissioning
● Servicing and maintenance
● Planning and configuring systems
Basic knowledge required
A general knowledge of the field of electrical engineering is required to understand this
manual.
Validity
This manual is valid for SIRIUS 3RW44 soft starters. It contains a description of the
components that are valid at the time of publication of this manual. SIEMENS reserves the
right to include updated information about new components or new versions of components
in a Product Information.
Definitions
Where the short form 3RW44 is used in the text, it refers to the SIRIUS 3RW44 soft starter.
Standards and approvals
The SIRIUS 3RW44 soft starter is based on IEC/EN 60947-4-2.
3RW44 soft starters
Manual, 03/2017, NEB535219502000/RS-AB/008
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