# Auxiliary Switch, 1 Change Over Contact, Switch Disconnectors

![Product image](https://novapart.co/image/farnell:3437850/)

**URL**: https://novapart.co/products/3KD9103-3/auxiliary-switch-1-change-over-contact
**SKU**: 3KD9103-3
**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:3437850/)

**3KD9103-3** 

**Data sheet** 

accessories for 3KD size 1/2, 3KF size 1, 3KC0 size 1/2, auxiliary switch 1 changeover contact, solid-state compatible with connecting cable 500 mm 

|**Model**<br>~~ee~~|**Model**<br>~~ee~~|**Model**<br>~~ee~~|**Model**<br>~~ee~~|
|---|---|---|---|
|**product brand name**||SENTRON||
|**product designation**||Accessories for switch disconnectors||
|**design of the product**||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**|**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>~~ee~~||||
|**suitability for use**||For 3KD sizes 1 and 2||
|**Product details**<br>~~ee~~||||
|**product description**||1 CO contact, solid-state compatible||
|**Connections**<br>~~a~~||||
|**type of electrical connection**||with soldered-on cable(finelystranded)0.75mm²(AWG18), 50cm long||
|● for auxiliaryand control circuit||Solderingtagconnection||
|**Mechanical Design**<br>~~a~~||||
|**fastening method**||Can beplugged in and integrated||
|**Net Weight**||111g||
|**Approvals Certificates**<br>~~a~~||||
|**Environment**|**General Product Approval**|||
|Environmental Con-<br>Environmental Con-|||Miscellaneous<br>~~_~~|
|firmations<br>firmations<br>~~a~~|~~a~~|~~a~~<br>@-|~~a~~|
|**General Product Approval**||**Test Certificates**|**Maritime application**|
|Confirmation<br>FL<br>=|=6c€|Type Test Certific-<br>ates/Test Report<br>G&S||
|**other**||||



Subject to change without notice © Copyright Siemens 

3KD91033 Page 1/4 

6/2/2026 

Confirmation ~~——~~ 

Miscellaneous 

~~e~~ **Further information** ~~e~~ **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=3KD9103-3 **Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/3KD9103-3 **Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)** https://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=3KD9103-3 **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> 

Subject to change without notice © Copyright Siemens 

3KD91033 Page 2/4 

6/2/2026 

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**last modified:** 

Subject to change without notice © Copyright Siemens 

3KD91033 Page 3/4 

6/2/2026 

Subject to change without notice © Copyright Siemens 

3KD91033 Page 4/4 

6/2/2026 



## Links

- [View this product on Novapart](https://novapart.co/products/3KD9103-3/auxiliary-switch-1-change-over-contact)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/siemens/3kd9103-3/control-gear-switch-gear-accessories/dp/3437850)
---

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