3KC9803-2

**3KC9803-2** 

**Data sheet** 

Accessory for 3KC4, 3KC8 Auxiliary switch contains 2 change-over contacts: 1 change-over contact for POS I, II for 800-1600 A leading contains 1 unit incl. set of screws 

|**Model**<br>~~ee~~|**Model**<br>~~ee~~|**Model**<br>~~ee~~|**Model**<br>~~ee~~|**Model**<br>~~ee~~|
|---|---|---|---|---|
|**product brand name**|||SENTRON||
|**product designation**|||Accessories for transfer switchingequipment||
|**Auxiliary circuit**<br>~~a~~|||||
|**number of CO contacts of auxiliary contacts instantaneous**|||0||
|**contact**|||||
|**number of NC contacts for auxiliary contacts instantaneous**|||0||
|**contact**|||||
|**number of NO contacts for auxiliary contacts instantaneous**|||0||
|**contact**|||||
|**operational current of auxiliar**|**erational current of auxiliary contacts**||||
|● at AC-12 at 230 V|||16 A||
|● at AC-15 at 230 V|||4 A||
|**Suitability**<br>~~ee~~|||||
|**suitability for use**|||3KC4||
|**Product details**<br>~~a~~|||||
|**product description**|||Auxiliary switch with 2 CO contacts: One for position I and II, leading, AC1 2 A||
||||250 V AC||
|**Connections**<br>~~ee~~|||||
|**type of electrical connection**|||0.2 to 2.5 mm²||
|● for auxiliaryand control circuit|||Box terminal||
|**Mechanical Design**<br>~~a~~|||||
|**fastening method**|||screw fixing||
|**Net Weight**|||166g||
|**Approvals Certificates**<br>~~ee~~|||||
|**Environment**|**General Product Approval**||||
|Environmental Con-<br>firmations<br>~~_~~|Miscellaneous<br>~~F~~A|||Confirmation<br>§§s«C~~E~~|
|**General Product Ap-**<br>**proval**|**Test Certificates**<br>**other**||||
|UK|Type Test Certific-<br>ates/Test Report<br>Confirmation<br>~~—~~<br>~~—~~||||



3KC98032 Page 1/3 

Subject to change without notice © Copyright Siemens 

6/4/2026 

~~ee)~~ **Further information 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=3KC9803-2 **Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/3KC9803-2 **Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)** https://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=3KC9803-2 **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 

3KC98032 Page 2/3 

Subject to change without notice © Copyright Siemens 

6/4/2026 

3KC98032 Page 3/3 

Subject to change without notice © Copyright Siemens 

6/4/2026