# Auxiliary Current Switch, SPST-NO, SPST-NC, 30 VAC/VDC, 5TT41/5TT42 Switches

![Product image](https://novapart.co/image/farnell:3556559/)

**URL**: https://novapart.co/products/5TT4901/auxiliary-current-switch-spst-no-nc-30-vac-vdc
**SKU**: 5TT4901
**Manufacturer**: SIEMENS
**Category**: Automation & Process Control || Industrial Switches & Control Stations || Industrial Switch Accessories
**Price**: €21.7800
**Stock**: 10+

## Specifications

| Parameter | Value |
|---|---|
| Svhc | To Be Advised |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3556559/)

**5TT4901** 

**Data sheet** 

auxiliary switch with 1 NO contact and 1 NC contact contact for 30 V AC/DC for 5TT41 or 5TT42 

## **Model** 

|**product brand name**||SENTRON||
|---|---|---|---|
|**product designation**||auxiliaryswitches||
|**design of theproduct**<br>Mountable<br>~~re~~||||
|**design of the product factory mounted**||No||
|**Supply voltage**||||
|**operating voltage**||||
|● rated value||30 V||
|**Breaking Capacity**<br>~~|~~||||
|switchingcapacitycurrent rated value||0 A||
|**Control current**<br>~~ns~~||||
|type of voltage of control voltage||AC||
|**Product details**<br>~~ee~~||||
|**number of fault signal contacts**||0||
|**number of NC contacts**||0||
|**number of NO contacts**||0||
|**number of CO contacts**||1||
|**product extension can be mounted**<br>remote ON switch<br>~~re~~||||
|**product extension**||Auxiliarycurrent switch||
|**Mechanical Design**||||
|**height**||90 mm||
|**width**||9 mm||
|**depth**||64 mm||
|**number of modular width units**<br>1<br>~~re~~||||
|**Net Weight**||50g||
|**Approvals Certificates**||||
|**Environment**|**General Product Approval**|||
|Environmental Con-<br>firmations<br>Environmental Con-<br>firmations<br>~~a~~||THE|Confirmation<br>=—i(‘iéE’S|
|**General Product Ap-**<br>**proval**<br>**other**||||



Subject to change without notice © Copyright Siemens 

5TT4901 Page 1/3 

6/2/2026 

K ~~o~~ Confirmation 

~~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=5TT4901 **Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/5TT4901 **Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)** https://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=5TT4901 **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> 14 12 11 9 7 24 44 HL ~~eee~~ 64 **last modified:** 5/5/2026 

Subject to change without notice © Copyright Siemens 

5TT4901 Page 2/3 

6/2/2026 

Subject to change without notice © Copyright Siemens 

5TT4901 Page 3/3 

6/2/2026 



## Links

- [View this product on Novapart](https://novapart.co/products/5TT4901/auxiliary-current-switch-spst-no-nc-30-vac-vdc)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/siemens/5tt4901/circuit-breaker-accessories/dp/3556559)
---

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