Datasheet

AWG number as coded connectable conductor cross
section
● for main contacts
14...10
● for auxiliary and control contacts
20...12
Type of electrical connection for auxiliary and control
current circuit
spring-loaded terminals
Wire stripping length of the cable
● for main contacts
mm 10
● for auxiliary and control contacts
mm 10
Certificates/ approvals:
General Product Approval EMC Declaration of
Conformity
Test
Certificates
Typprüfbescheinigu
ng/Werkszeugnis
Test
Certificates
other
spezielle
Prüfbescheinigunge
n
Umweltbestätigung
Further information
Short-circuit protection, design of the fuse link
https://www.automation.siemens.com/cd-static/material/info/3RF21_eng.pdf
Information- and Downloadcenter (Catalogs, Brochures,…)
http://www.siemens.com/industrial-controls/catalogs
Industry Mall (Online ordering system)
http://www.siemens.com/industrymall
Cax online generator
http://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=3RF21202AA45
Service&Support (Manuals, Certificates, Characteristics, FAQs,...)
https://support.industry.siemens.com/cs/ww/en/ps/3RF21202AA45
Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...)
http://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=3RF21202AA45&lang=en
3RF21 20-2AA45 Changes preserved
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