1.3 Required basic knowledge
To understand these operating instructions you should have a general knowledge of automation
engineering and low-voltage switchgear.
1.4 Scope of the manual
The manual is valid for these fuseless load feeders. It contains a description of the devices that
is valid at the time of publication.
1.5 Siemens Industry Online Support
Information and service
At Siemens Industry Online Support you can obtain up-to-date information from our global
support database:
• Product support
• Application examples
• Forum
• mySupport
Link: Siemens Industry Online Support (
https://support.industry.siemens.com/cs/de/en)
Product support
You can nd information and comprehensive know-how covering all aspects of your product
here:
• FAQs
Answers to frequently asked questions
• Manuals/operating instructions
Read online or download, available as PDF or individually congurable.
• Certicates
Clearly sorted according to approving authority, type and country.
• Characteristics
For support in planning and conguring your system.
• Product announcements
The latest information and news concerning our products.
• Downloads
Here you will nd updates, service packs, HSPs and much more for your product.
Introduction
1.5 Siemens Industry Online Support
SIRIUS 3RA Load Feeders
8 Equipment Manual, 02/2022, A5E03656507520A/RS-AC/004