Data Sheet

● make-before-break switching

Number of CO contacts for auxiliary contacts 0

Identification number and letter for switching

elements

31 E

Operating current at AC-15

● at 230 V rated value

4A

● at 400 V rated value

3A

Mounting type screw fixing

Height 36mm

Width 50mm

Depth 63mm

Type of electrical connection for auxiliary and control

current circuit

solder pin connectors

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

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=3TH2031-6BF4

Cax online generator

http://support.automation.siemens.com/WW/CAXorder/default.aspx?lang=en&mlfb=3TH2031-6BF4

Service&Support (Manuals, Certificates, Characteristics, FAQs,...)

https://support.industry.siemens.com/cs/ww/en/ps/3TH2031-6BF4

Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...)

http://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=3TH2031-6BF4&lang=en

Characteristic: Tripping characteristics, I²t, Let-through current

https://support.industry.siemens.com/cs/ww/en/ps/3TH2031-6BF4/char

Further characteristics (e.g. electrical endurance, switching frequency)

http://www.automation.siemens.com/bilddb/index.aspx?view=Search&mlfb=3TH2031-6BF4&objecttype=14&gridview=view1

last modified:

09/13/2019

3TH2031-6BF4 Subject to change without notice

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