# Auxiliary Switch, 1 Change Over Contact, Switch Disconnectors

![Product image](https://novapart.co/image/farnell:3437852/)

**URL**: https://novapart.co/products/3KD9103-4/auxiliary-switch-1-change-over-contact
**SKU**: 3KD9103-4
**Manufacturer**: SIEMENS
**Category**: Automation & Process Control || Industrial Switches & Control Stations || Industrial Switch Accessories
**Price**: €12.6200
**Stock**: 10+

## Specifications

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

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3437852/)

**3KD9103-4** 

## **Data sheet** 

||accessories for 3KD size 1/2, 3KF size 1, 3KC0 size 1/2, auxiliary switch 1|accessories for 3KD size 1/2, 3KF size 1, 3KC0 size 1/2, auxiliary switch 1|accessories for 3KD size 1/2, 3KF size 1, 3KC0 size 1/2, auxiliary switch 1|accessories for 3KD size 1/2, 3KF size 1, 3KC0 size 1/2, auxiliary switch 1|accessories for 3KD size 1/2, 3KF size 1, 3KC0 size 1/2, auxiliary switch 1||
|---|---|---|---|---|---|---|
||changeover contact, solid-state compatible without connecting cable||||||
|**Model**<br>**product brand name**<br>**product designation**<br>**design of the product**<br>~~a~~<br>~~————~~|SENTRON<br>Accessories for switch disconnectors<br>Auxiliaryswitch||||||
|**Auxiliary circuit**|||||||
|**number of CO contacts of auxiliary contacts instantaneous**|1||||||
|**contact**|||||||
|**number of NC contacts for auxiliary contacts instantaneous**|0||||||
|**contact**|||||||
|**number of NO contacts for auxiliary contacts instantaneous**|0||||||
|**contact**|||||||
|**operational current of auxiliary contacts**|||||||
|● at AC-13 at 230 V|0.1 A||||||
|**Suitability**<br>**suitability for use**<br>For 3KD sizes 1 and 2<br>~~a~~|||||||
|**Product details**<br>~~a~~|||||||
|**product description**|1 CO contact, solid-state compatible||||||
|**Connections**<br>~~a~~|||||||
|**type of electrical connection**|Without soldered-on cable||||||
|● for auxiliaryand control circuit|Solderingtagconnection||||||
|**Mechanical Design**<br>~~a~~|||||||
|**fastening method**|Can beplugged in and integrated||||||
|**Net Weight**|98g||||||
|**Approvals Certificates**<br>~~a~~|||||||
|**Environment**<br>**General Product Approval**|||||||
|Environmental Con-<br>firmations<br>Environmental Con-<br>firmations<br>~~a~~|~~a~~|Miscellaneous<br>~~a~~<br>~~FA~~L||||~~a~~|
|**General Product Approval**|**Test Certificates**|**Maritime application**|||**other**||
|Confirmation<br>Type Test Certific-<br>ates/Test Report<br>C©C<br>GA|||ue||Confirmation||
|**other**|||||||
|Miscellaneous|||||||
|~~~~~|||||||
|QC PASS|||||||
|**Further information**<br>~~Ps~~|||||||
|**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,…)**|||||||



Subject to change without notice © Copyright Siemens 

3KD91034 Page 1/2 

5/30/2026 

https://www.siemens.com/lowvoltage/catalogs **Industry Mall (Online ordering system)** https://mall.industry.siemens.com/mall/en/en/Catalog/product?mlfb=3KD9103-4 **Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/3KD9103-4 **Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)** https://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=3KD9103-4 **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> 

**last modified:** 4/3/2025 

Subject to change without notice © Copyright Siemens 

3KD91034 Page 2/2 

5/30/2026 



## Links

- [View this product on Novapart](https://novapart.co/products/3KD9103-4/auxiliary-switch-1-change-over-contact)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/siemens/3kd9103-4/control-gear-switch-gear-accessories/dp/3437852)
---

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