5ST3770-3

**5ST3770-3** 

**Data sheet** 

Pin busbar, 16 mm2 56 MW, 4-phase, can be cut for LS 2P and RCBO 1P+N touch-safe without end caps 

|||Pin busbar, 16 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||80 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**||21 mm|
|**length**||1 000 mm|
|**number of modular width units**||56|
|**cross-section**||16 mm²|
|**angle of thepin of busbar**||0°|
|**Net Weight**||770g|
|**Approvals Certificates**<br>~~ee~~|||
|**Environment**<br>~~ee~~|**General Product Approval**<br>~~ee~~||



5ST37703 Page 1/4 

Subject to change without notice © Copyright Siemens 

6/4/2026 

**General Product Apother proval** Confirmation Miscellaneous 

~~T~~ **Further information** ~~F~~ **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=5ST3770-3 **Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/5ST3770-3 **Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)** https://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=5ST3770-3 **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> 

5ST37703 Page 2/4 

Subject to change without notice © Copyright Siemens 

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**last modified:** 

1/15/2026 

5ST37703 Page 3/4 

Subject to change without notice © Copyright Siemens 

6/4/2026 

5ST37703 Page 4/4 

Subject to change without notice © Copyright Siemens 

6/4/2026