5TT3171

**5TT3171** 

**Data sheet** 

Network coupler T55 230 V AC 50 Hz With transparent cap 

|||Network coupler T55 230 V AC 50 Hz With transparent cap|
|---|---|---|
|**Model**<br>~~ee~~|||
|**product brand name**<br>~~ee~~||SENTRON<br>~~ee~~|
|**product designation**<br>~~Oe~~||Network coupler<br>~~Oe~~|
|**design of theproduct**<br>~~Oe~~||Network coupler<br>~~Oe~~|
|**type of voltage of the operating voltage for actuation**<br>~~Oe~~||AC<br>~~Oe~~|
|**Control current**|||
|**control supply voltage at AC**|||
|● at 50 Hz rated value minimum||230 V|
|● at 50 Hz rated value maximum||230 V|
|● at 60 Hz rated value minimum||230 V|
|● at 60 Hz rated value maximum||230 V|
|**Auxiliary circuit**<br>~~ee~~|||
|**number of CO contacts for auxiliary contacts**<br>~~ee~~||0<br>~~ee~~|
|**number of NC contacts for auxiliary contacts**<br>~~—__—_~~||1<br>~~—__—_~~|
|**number of NO contacts for auxiliary contacts**<br>~~—__—_~~||0<br>~~—__—_~~|
|**Product function**|||
|**product function**|||
|● voltage window recognition 1phase||No|
|● voltage window recognition 3phase||No|
|● current window recognition DC||No|
|● overcurrent detection 1phase||No|
|● overcurrent detection 3phase||No|
|● overcurrent detection DC||No|
|● undercurrent detection 1phase||Yes|
|● undercurrent detection 3phases||No|
|● undercurrent detection DC||No|
|**Connections**<br>~~a~~|||
|**product component removable terminal for main circuit**<br>~~a~~||No<br>~~a~~|
|**product component removable terminal for auxiliary and**<br>**control circuit**||No|
|**type of electrical connection**||screw terminal|
|● plug-in socket||No|
|**Mechanical Design**<br>~~ee~~|||
|**height**<br>~~ee~~||90 mm<br>~~ee~~|
|**width**<br>~~Oe~~||18 mm<br>~~Oe~~|
|**depth**<br>~~Oe~~||64 mm<br>~~Oe~~|
|**Net Weight**<br>~~Oe~~||81g<br>~~Oe~~|
|**Approvals Certificates**|||
|**Environment**|**General Product Approval**||



Subject to change without notice © Copyright Siemens 

5TT3171 Page 1/4 

6/1/2026 

Environmental ConEnvironmental ConConfirmation firmations firmations ~~— —~~ fr ce kK **other** Confirmation Miscellaneous QC PASS ~~P~~ **Further information** ~~s~~ **Information on the packaging** https://support.industry.siemens.com/cs/ww/en/view/109813875 **Information for data generation and storage** https://support.industry.siemens.com/cs/ww/en/view/109995012 **Information- and Downloadcenter (Catalogs, Brochures,…)** https://www.siemens.com/lowvoltage/catalogs **Industry Mall (Online ordering system)** https://mall.industry.siemens.com/mall/en/en/Catalog/product?mlfb=5TT3171 **Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/5TT3171 

**Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)** https://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=5TT3171 **CAx-Online-Generator** https://www.siemens.com/cax 

**Tender specifications** https://www.siemens.com/specifications **Characteristic curves** https://curves.simaris.siemens.com/curves/<mmp_prod_noCOMP="HAUPT"></mmp_prod__no> 

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Subject to change without notice © Copyright Siemens 

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**last modified:** 

4/12/2025 

Subject to change without notice © Copyright Siemens 

5TT3171 Page 4/4 

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