5ST3744

**5ST3744** 

**Data sheet** 

Pin busbar touch-safe, 10 mm2 3x 1-phase+AUX, 1016 mm long can be cut, without end caps 

||Pin busbar touch-safe, 10 mm2 3x 1-phase+AUX, 1016 mm long can be cut,<br>without end caps|Pin busbar touch-safe, 10 mm2 3x 1-phase+AUX, 1016 mm long can be cut,<br>without end caps|
|---|---|---|
|**product brand name**|SENTRON||
|**product designation**|Pin busbar||
|**design of theproduct**<br>~~re~~|37x(1PH+HS)<br>~~re~~||
|**design of the phase tap**<br>~~re~~|L1/L2/L3<br>~~re~~||
|**General technical data**|||
|**compatibility**|for MCBs 1P||
|**design ofpole**|3poles||
|**phase number**|3||
|operational current rated value|63 A||
|**suitability for interaction devices with auxiliary switch**|Yes||
|**suitability for interaction devices with N conductor**<br>~~re~~|No<br>~~re~~||
|**color**<br>~~re~~|lightgrey<br>~~re~~||
|**Product details**|||
|**product component with end cap**|No||
|**product feature attachable arc fault detection device**|No||
|**product feature insulated**|Yes||
|**product function**|||
|● suitable for compact devices|No||
|● can be cut|Yes||
|**number of devices suitable for fitting**<br>~~re~~|37<br>~~re~~||
|**type of electrical connection**<br>~~re~~|Pin<br>~~re~~||
|**Mechanical Design**|||
|**module width**|18 mm||
|**height**|15 mm||
|**width**|18 mm||
|**length**|1 016 mm||
|**number of modular width units**|56||
|**cross-section**|10 mm²||
|**angle of thepin of busbar**<br>~~re~~|0°<br>~~re~~||
|**Net Weight**<br>~~re~~|380g<br>~~re~~||
|**Approvals Certificates**|||
|**Environment**||**General Product Approval**|



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Subject to change without notice © Copyright Siemens 

5/31/2026 

**General Product Approval** 

## **other** 

~~—_~~ Confirmation ~~—~~ Miscellaneous 

~~S~~ **Further information** ~~e~~ **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=5ST3744 **Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/5ST3744 **Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)** https://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=5ST3744 **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 

5/31/2026 

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**last modified:** 

8/8/2025 

5ST3744 Page 3/4 

Subject to change without notice © Copyright Siemens 

5/31/2026 

5ST3744 Page 4/4 

Subject to change without notice © Copyright Siemens 

5/31/2026