5ST3044

**5ST3044** 

**Data sheet** 

Undervoltage release 110 V DC, with 2 terminals for miniature circuit breaker 5SL4, 5SY, 5SP RCBO 5SU1, FI 5SV (for 5SU1 handle coupler 5ST3805-1 is required) 

|**Model**||||||
|---|---|---|---|---|---|
|**product brand name**|||SENTRON|||
|**product designation**|||Undervoltage release|||
|**General technical data**<br>~~css~~||||||
|**switching function ON-delay/instantaneous contact**|||No|||
|**type of voltage of the operating voltage for actuation**|||DC|||
|**Control current**<br>~~ee~~||||||
|**control supply voltage**||||||
|● at DC rated value minimum|||110 V|||
|● at DC rated value maximum|||110 V|||
|**Suitability**<br>~~ns~~||||||
|**suitability for integration motor starterprotector**|||No|||
|**suitability for integration overload relay**|||No|||
|**suitability for use load switch**|||No|||
|**suitability for use circuit breaker**|||No|||
|**number of NC contacts**|||0|||
|**number of NO contacts**<br>0<br>**number of CO contacts**<br>0<br>**Connections**<br>**type of electrical connection**<br>screw terminal<br>**Mechanical Design**<br>~~Ooens~~||||||
|**height**<br>**depth**<br>**Net Weight**<br>~~Oo~~|||90 mm<br>70 mm<br>95g|||
|**Approvals Certificates**||||||
|**Environment**|**General Product Approval**||**General Product Approval**|||
|Environmental Con-<br>firmations<br>Environmental Con-<br>firmations<br>~~—~~<br>~~—~~|Miscellaneous<br>~~FA~~L|||Confirmation|si|
|**General Product Ap-**<br>**proval**<br>**other**||||**Railway**||



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Confirmation Miscellaneous Special Test Certific-- ~~rs~~ ate 

Confirmation Miscellaneous Special Test Certific-- ~~rs~~ ate 

~~eee~~ **Further information 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=5ST3044 **Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/5ST3044 

**Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)** https://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=5ST3044 **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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**last modified:** 

4/4/2025 

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Subject to change without notice © Copyright Siemens 

5/30/2026 

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Subject to change without notice © Copyright Siemens 

5/30/2026