5ST3012

**5ST3012** 

**Data sheet** 

auxiliary switch 2 NC for miniature circuit breakers 5SL, 5SY, 5SP, incorporated switch 5TL1, RCBO 5SU1 (without 5SU1…FP/FR), RCCB 5SV (for 5SU1, handle coupler 5ST3805-1 is required) 

|g|auxiliary switch 2 NC for miniature circuit breakers 5SL, 5SY, 5SP, incorporated<br>switch 5TL1, RCBO 5SU1 (without 5SU1…FP/FR), RCCB 5SV (for 5SU1, handle<br>coupler 5ST3805-1 is required)<br>g|
|---|---|
|**Model**<br>~~a~~||
|**product brand name**<br>~~a~~|SENTRON<br>~~a~~|
|**product designation**|auxiliaryswitches|
|**design of theproduct**|Mountable|
|**design of theproduct factory mounted**|No|
|**electrical endurance(operating cycles) typical**|10 000|
|**Voltage**<br>~~a~~||
|insulation voltage rated value<br>~~a~~|440 V<br>~~a~~|
|surge voltage resistance rated value|4 kV|
|**Current**<br>~~re~~||
|**operational current at DC rated value**<br>~~re~~|0.01 A<br>~~re~~|
|**Supply voltage**<br>~~a~~||
|**supply voltage at DC rated value**<br>~~a~~|~~a~~|
|● minimum|12 V|
|**operating voltage**||
|● rated value|400 V|
|● at AC rated value minimum|12 V|
|● at DC rated value minimum|12 V|
|**protection class IP**<br>~~a~~|IP20<br>~~a~~|
|**Control current**<br>~~a~~||
|type of voltage of control voltage<br>~~a~~|AC/DC<br>~~a~~|
|**Product details**<br>~~a~~||
|**product component**<br>~~a~~|~~a~~|
|● auxiliaryswitch|Yes|
|**number of fault signal contacts**|0|
|**number of NC contacts**|2|
|**number of NO contacts**|0|
|**number of CO contacts**|0|
|**product extension can be mounted**|Universal|
|**product extension**<br>~~ee~~|auxiliaryswitch|
|**Connections**<br>~~ee~~||
|**connectable conductor cross-section**<br>~~ee~~||
|● minimum|0.5 mm²|
|● maximum|2.5 mm²|
|**AWG number as coded connectable conductor cross**<br>**section**||
|● minimum|24|
|● maximum|12|



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|**tightening torque with screw-type terminals**||||||||
|---|---|---|---|---|---|---|---|
|● maximum||0.5 N·m||||||
|**Mechanical Design**<br>~~a~~||||||||
|**height**||90 mm||||||
|**width**||9 mm||||||
|**depth**||70 mm||||||
|**number of modular width units**||1||||||
|**Net Weight**||63g||||||
|**Environmental conditions**<br>**standard**<br>IEC/EN60947-5-1; IEC/EN62019<br>~~a~~||||||||
|**ambient temperature during operation**||||||||
|● minimum||-25 °C||||||
|● maximum||55 °C||||||
|ambient temperature duringstorage minimum||-40 °C||||||
|**Approvals Certificates**<br>~~a~~||||||||
|**Environment**|||||**General Product Approval**|||
|Environmental Con-||||Environmental Con-||||
|firmations<br>firmations<br>~~ss~~<br>EPDs=<izOSOSStSCS~™S||||||“||
|**General Product Approval**||||||||
|Miscellaneous|LHL|||Confirmation<br>=—s—SCé~—MSK||||
|**General Product Ap-**<br>**proval**<br>**Maritime application**|||**other**|||||
|cA|m**e**<br>i|||Fee)|Confirmation<br>~~—~~|Miscellaneous<br>~~—~~||



**Railway** - Special Test Certific ate 

~~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=5ST3012 **Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/5ST3012 **Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)** https://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=5ST3012 **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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