Siemens 3RW40 Soft Starter User Manual

This manual provides operating instructions, safety precautions, and technical specifications for the Siemens SIRIUS 3RW40 soft starter.


Siemens 3RW40 Soft Starter User Manual - cover page
Brand
Siemens
Document type
User Manual
Language
Chinese
Pages
12
File format
PDF
File size
1.2 MB
Published
14 October, 2026
Updated
14 October, 2026
Model
3RW40
MD5 checksum
954D5E322D96D387A52C457B43AB7483

About this manual

The document is a user guide for the Siemens SIRIUS 3RW40 soft starter, covering installation, operation modes, and troubleshooting. It includes specific factory settings such as an overload current limit of 5 times rated current (Ie) and acceleration time of 7 seconds.

Key operational details include the RESET/TEST mode which allows for manual reset or automatic restart upon failure, and a bypassed state option. The device features LED indicators for status monitoring: green for normal operation, yellow for warning, and red for fault or overload conditions. This manual is written in Chinese.

What's inside

  • Safety Precautions
  • Factory Settings
  • Output Configuration
  • Reset/Test Mode
  • LED Indicators
  • Dimensions and Mounting
  • Fault Diagnosis

Frequently asked questions

What are the tightening torque specifications for model 3RW40 5 and 3RW40 7?

The specified tightening torque is M6 ... 10 Nm for 3RW40 5 and M8 ... 15 Nm for 3RW40 7.

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