# Auxiliary Switch, 3KC Series Transfer Switching Equipment

![Product image](https://novapart.co/image/farnell:3437743/)

**URL**: https://novapart.co/products/3KC9603-2/auxiliary-switch-3kc-series-transfer-switching
**SKU**: 3KC9603-2
**Manufacturer**: SIEMENS
**Category**: Automation & Process Control || Industrial Switches & Control Stations || Industrial Switch Accessories
**Price**: €80.1400
**Stock**: 10+

## Specifications

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

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3437743/)

**3KC9603-2** 

**Data sheet** 

|||Accessory for 3KC3, 3KC6 Auxiliary switch contains 3 change-over contacts: 1<br>change-over contact for Position I, O, II for 40-160 A with connected shared<br>contacts contains 1 unit incl. set of screws|
|---|---|---|
|**Model**<br>~~a~~|||
|**product brand name**<br>~~a~~||SENTRON<br>~~a~~|
|**product designation**||Accessories for transfer switchingequipment|
|**Auxiliary circuit**<br>~~ee~~|||
|**number of CO contacts of auxiliary contacts instantaneous**<br>**contact**<br>~~ee~~||3<br>~~ee~~|
|**number of NC contacts for auxiliary contacts instantaneous**<br>**contact**||0|
|**number of NO contacts for auxiliary contacts instantaneous**<br>**contact**||0|
|**Suitability**<br>~~a~~|||
|**suitability for use**<br>~~a~~||3KC3, 3KC6<br>~~a~~|
|**Product details**<br>~~a~~|||
|**product description**<br>~~a~~||Auxiliary switch with 3 CO contacts: One for position I, O and II, with connected<br>COM connection, AC13 2 A 250 V AC<br>~~a~~|
|**Connections**<br>~~a~~|||
|**type of electrical connection**<br>~~a~~||0.5 to 2.5 mm² solid / 0.5 to 1.5 mm² stranded<br>~~a~~|
|● for auxiliaryand control circuit||Box terminal|
|**Mechanical Design**<br>~~re~~|||
|**height**<br>~~re~~||48.4 mm<br>~~re~~|
|**width**||104 mm|
|**depth**||17.8 mm|
|**fastening method**<br>~~re~~||screw fixing<br>~~re~~|
|**Net Weight**<br>~~re~~||64g<br>~~re~~|
|**Approvals Certificates**|||
|**Environment**|**General Product Approval**||



~~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=3KC9603-2 **Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/3KC9603-2 **Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)** https://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=3KC9603-2 

3KC96032 Page 1/2 

Subject to change without notice © Copyright Siemens 

5/30/2026 

## **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 

3KC96032 Page 2/2 

Subject to change without notice © Copyright Siemens 

5/30/2026 



## Links

- [View this product on Novapart](https://novapart.co/products/3KC9603-2/auxiliary-switch-3kc-series-transfer-switching)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/siemens/3kc9603-2/control-gear-switch-gear-accessories/dp/3437743)
---

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