# Auxiliary Current Switch, SPST-NO, SPST-NC, Miniature Circuit Breakers

![Product image](https://novapart.co/image/farnell:3556492/)

**URL**: https://novapart.co/products/5ST3010-0HG/auxiliary-current-switch-spst-no-nc-miniature
**SKU**: 5ST3010-0HG
**Manufacturer**: SIEMENS
**Category**: Circuit Protection || Circuit Breakers || Circuit Breaker Accessories
**Price**: €23.2300
**Stock**: 10+

## Specifications

| Parameter | Value |
|---|---|
| Product Range | SENTRON Series |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3556492/)

**5ST3010-0HG** 

**Data sheet** 

auxiliary switch, 1 NO contact + 1 NC contact for miniature circuit breakers, acc. to UL 489 

|**Model**||
|---|---|
|**product brand name**|SENTRON|
|**product designation**|auxiliaryswitches|
|**design of theproduct**|Mountable|
|**design of theproduct factory mounted**|No|
|**electrical endurance(operating cycles) typical**|6 000|
|**Voltage**||
|insulation voltage rated value|440 V|
|surge voltage resistance rated value|4 kV|
|**Current**||
|**operational current at DC rated value**|0.01 A|
|**Supply voltage**||
|**supply voltage at DC rated value**||
|● minimum|12 V|
|**operating voltage**||
|● rated value|480 V|
|● at AC rated value minimum|12 V|
|● at DC rated value minimum|12 V|
|**protection class IP**|IP20|
|**Control current**||
|type of voltage of control voltage|AC/DC|
|**Product details**||
|**product component**||
|● auxiliaryswitch|Yes|
|**number of fault signal contacts**|0|
|**number of NC contacts**|1|
|**number of NO contacts**|1|
|**number of CO contacts**|0|
|**product extension can be mounted**|Circuit breaker|
|**product extension**|auxiliaryswitch|
|product function test function for fault current trip|No|
|**Connections**||
|**connectable conductor cross-section**||
|● minimum|0.5 mm²|
|● maximum|2.5 mm²|
|**AWG number as coded connectable conductor cross**||
|**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**||110 mm||||
|**width**||9 mm||||
|**depth**||70 mm||||
|**number of modular width units**||1||||
|**Net Weight**||55.7g||||
|**Environmental conditions**<br>~~a~~||||||
|**standard**||IEC/EN60947-5-1; IEC/EN62019; UL489||||
|**Approvals Certificates**<br>~~a~~||||||
|**Environment**|||**General Product Approval**|||
|Environmental Con-<br>Environmental Con-||||||
|firmations<br>firmations<br>~~—~~<br>~~_~~<br>~~—_~~<br>EPD<br>EPD<br>O)us||||||
|**General Product Approval**||||||
|Miscellaneous<br>~~——~~<br>EAL||Confirmation<br>~~—~~|Cf|UK<br>A||
|**Maritime application**<br>**other**||||||
|oe||Confirmation<br>~~_~~||||
|**Further information**<br>~~a~~||||||
|**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=5ST3010-0HG||||||
|**Service&Support (Manuals, Certificates, Characteristics, FAQs,...)**||||||
|https://support.industry.siemens.com/cs/ww/en/ps/5ST3010-0HG||||||



**Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)** https://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=5ST3010-0HG **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> 

5ST30100HG Page 2/4 

Subject to change without notice © Copyright Siemens 

6/1/2026 

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**last modified:** 

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Subject to change without notice © Copyright Siemens 

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Subject to change without notice © Copyright Siemens 

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## Links

- [View this product on Novapart](https://novapart.co/products/5ST3010-0HG/auxiliary-current-switch-spst-no-nc-miniature)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/siemens/5st3010-0hg/circuit-breaker-accessories/dp/3556492)
---

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