1 Introduction 1.1 Important notes Purpose of the manual This manual contains fundamental information and practical tips for using SIRIUS soft starters. The SIRIUS 3RW30 and 3RW40 soft starters are electronic motor control devices that facilitate optimal starting and stopping three-phase induction motors. The manual describes all of the functions of the SIRIUS 3RW30 and 3RW40 soft starters. Target group This manual is intended for any user involved in • Commissioning • Servicing and maintaining • Planning and configuring systems Basic knowledge required A general knowledge of the field of electrical engineering is required to understand this manual.
Scope of validity The manual is valid for the SIRIUS 3RW30 and 3RW40 soft starters. It describes the components that are valid at the time of publication. SIEMENS reserves the right to include a Product Information for each new component, and for each component of a later version. Standards and approvals The SIRIUS 3RW30 and 3RW40 soft starters are based on the IEC/EN 60947-4-2 standard. Disclaimer of liability It is the responsibility of the manufacturer to ensure that a system or machine is functioning properly as a whole.
SIEMENS AG, its regional offices, and associated companies (hereinafter referred to as "SIEMENS") cannot guarantee all the properties of a whole plant system or machine that has not been designed by SIEMENS. Similarly, SIEMENS can assume no liability for recommendations that appear or are implied in the following description. No new guarantee, warranty, or liability claims beyond the scope of the SIEMENS general terms of supply are to be derived or inferred from the following description. SIRIUS 3RW30 / 3RW40 Manual 01/2010, 535 1995-02 DS01 11