Data Sheet

● leading contact
0
● make-before-break switching
0
Number of CO contacts for auxiliary contacts 0
Identification number and letter for switching
elements
31 Z
Operating current at AC-15
● at 230 V rated value
4A
● at 400 V rated value
3A
Mounting type screw and snap-on mounting onto 35 mm standard mounting rail
according to DIN EN 50022
Height 48mm
Width 45mm
Depth 68mm
Type of electrical connection for auxiliary and control
current circuit
screw-type terminals
B10 value with high demand rate acc. to SN 31920 400000; With 0.3 x Ie
T1 value for proof test interval or service life acc. to
IEC 61508
20y
Protection against electrical shock finger-safe
Further information
Information- and Downloadcenter (Catalogs, Brochures,…)
www.siemens.com/sirius/catalogs
Industry Mall (Online ordering system)
https://mall.industry.siemens.com/mall/en/en/Catalog/product?mlfb=3TH2081-0GB8
Cax online generator
http://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=3TH2081-0GB8
Service&Support (Manuals, Certificates, Characteristics, FAQs,...)
https://support.industry.siemens.com/cs/ww/en/ps/3TH2081-0GB8
Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...)
http://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=3TH2081-0GB8&lang=en
Characteristic: Tripping characteristics, I²t, Let-through current
https://support.industry.siemens.com/cs/ww/en/ps/3TH2081-0GB8/char
Further characteristics (e.g. electrical endurance, switching frequency)
http://www.automation.siemens.com/bilddb/index.aspx?view=Search&mlfb=3TH2081-0GB8&objecttype=14&gridview=view1
last modified:
09/13/2019
3TH2081-0GB8 Subject to change without notice
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09/13/2019 © Copyright Siemens