5ST3770-2

**5ST3770-2** 

**Data sheet** 

Pin busbar, 10 mm2 56 MW, 4-phase, can be cut for LS 2P and RCBO 1P+N touch-safe without end caps 

|||Pin busbar, 10 mm2 56 MW, 4-phase, can be cut for LS 2P and RCBO 1P+N<br>touch-safe without end caps|
|---|---|---|
|**product brand name**||SENTRON|
|**product designation**||Pin busbar|
|**design of theproduct**||28x(1PH+N)|
|**design of the phase tap**||L1/N/L2/N/L3/N|
|**General technical data**<br>~~|~~|||
|**compatibility**<br>~~|~~||for RCBO or MCB 1P+N<br>~~|~~|
|**design ofpole**||3P+N|
|**phase number**||4|
|operational current rated value||63 A|
|**suitability for interaction devices with auxiliary switch**||No|
|**suitability for interaction devices with N conductor**||Yes|
|**suitability for use**||RCCB 2P N right|
|**color**||lightgrey|
|**Product details**<br>~~|~~|||
|**product component with end cap**<br>~~|~~||No<br>~~|~~|
|**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**||28|
|**type of electrical connection**||Pin|
|**Mechanical Design**<br>~~|~~|||
|**module width**<br>~~|~~||18 mm<br>~~|~~|
|**height**||17 mm|
|**width**||20 mm|
|**length**||1 000 mm|
|**number of modular width units**||56|
|**cross-section**||10 mm²|
|**angle of thepin of busbar**||0°|
|**Net Weight**||578g|
|**Approvals Certificates**<br>~~ee~~|||
|**Environment**<br>~~ee~~|**General Product Approval**<br>~~ee~~||



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Subject to change without notice © Copyright Siemens 

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General Product Ap- other<br>proval<br>ee Confirmation aa] Miscellaneous<br>cA QC PASS<br>e Further information e<br>Information on the packaging<br>https://support.industry.siemens.com/cs/ww/en/view/109813875<br>Information for data generation and storage<br>https://support.industry.siemens.com/cs/ww/en/view/109995012<br>Information- and Downloadcenter (Catalogs, Brochures,…)<br>https://www.siemens.com/lowvoltage/catalogs<br>Industry Mall (Online ordering system)<br>https://mall.industry.siemens.com/mall/en/en/Catalog/product?mlfb=5ST3770-2<br>Service&Support (Manuals, Certificates, Characteristics, FAQs,...)<br>https://support.industry.siemens.com/cs/ww/en/ps/5ST3770-2<br>Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)<br>https://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=5ST3770-2<br>CAx-Online-Generator<br>https://www.siemens.com/cax<br>Tender specifications<br>https://www.siemens.com/specifications<br>Characteristic curves<br>https://curves.simaris.siemens.com/curves/<mmp_prod_noCOMP="HAUPT"></mmp_prod__no><br>**----- End of picture text -----**<br>


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1 1 1 1 1 1 1<br>L1 N L2 N L3 N L3 N L1<br>A A<br>19,7 21,4<br>Ø 10 mm [2] Ø 16 mm [2]<br>last modified: 1/15/2026<br>L1 N L3 N L2 N L2 N L1 17,3 17,3<br>**----- End of picture text -----**<br>


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Subject to change without notice © Copyright Siemens 

6/4/2026