# Auxiliary Switch, 1 Change Over Contact, Switch Disconnectors

![Product image](https://novapart.co/image/farnell:3437848/)

**URL**: https://novapart.co/products/3KD9103-1/auxiliary-switch-1-change-over-contact
**SKU**: 3KD9103-1
**Manufacturer**: SIEMENS
**Category**: Automation & Process Control || Industrial Switches & Control Stations || Industrial Switch Accessories
**Price**: €9.2200
**Stock**: 10+

## Specifications

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

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3437848/)

**3KD9103-1** 

**Data sheet** 

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

|**Model**<br>~~ee~~|**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-12 at 230 V||5 A|||
|● at AC-15 at 230 V||2 A|||
|● at DC-13 at 230 V||0.2 A|||
|**Suitability**<br>~~a~~|||||
|**suitability for use**||For 3KD sizes 1 and 2|||
|**Product details**<br>~~a~~|||||
|**product description**||1 CO|||
|**Connections**<br>~~ee~~|||||
|**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**||104g|||
|**Approvals Certificates**<br>~~ee~~|||||
|**Environment**|**General Product Approval**||||
|Environmental Con-<br>Environmental Con-||||Miscellaneous<br>~~_~~|
|firmations<br>firmations<br>~~a~~||@-|||
|**General Product Approval**|||**Test Certificates**|**Maritime application**|
|Confirmation<br>||||Type Test Certific-<br>ates/Test Report||



Subject to change without notice © Copyright Siemens 

3KD91031 Page 1/4 

5/30/2026 

## **other** 

—_ Confirmation Prats ~~_~~ Miscellaneous 

**Further information** ~~ee~~ **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=3KD9103-1 **Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/3KD9103-1 

**Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)** https://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=3KD9103-1 **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 

3KD91031 Page 2/4 

5/30/2026 

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**last modified:** 

Subject to change without notice © Copyright Siemens 

3KD91031 Page 3/4 

5/30/2026 

Subject to change without notice © Copyright Siemens 

3KD91031 Page 4/4 

5/30/2026 



## Links

- [View this product on Novapart](https://novapart.co/products/3KD9103-1/auxiliary-switch-1-change-over-contact)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/siemens/3kd9103-1/control-gear-switch-gear-accessories/dp/3437848)
---

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