8GK4721-3KK10

**8GK4721-3KK10** 

**Data sheet** 

ALPHA 400/630/1250 DIN assembly kit molded case circuit breaker 1x 3VL160/VL250+RCD molded case circuit breaker+RCD module mounting on support plate H = 450/W = 250 

|**Model**<br>~~I~~|**Model**<br>~~I~~|**Model**<br>~~I~~|**Model**<br>~~I~~|**Model**<br>~~I~~|**Model**<br>~~I~~|**Model**<br>~~I~~|**Model**<br>~~I~~|
|---|---|---|---|---|---|---|---|
|**product brand name**||ALPHA||||||
|**product designation**||Assemblykit for 3VL molded-case circuit breakers||||||
|**design of theproduct**||1x 3VL 160 A/ 250 A with RCD||1x 3VL 160 A/ 250 A with RCD|1x 3VL 160 A/ 250 A with RCD|||
|**coverplate version**||with cutout||||||
|**product component**||||||||
|**●grounding bus**||No||||||
|●plastic coverplate||Yes||||||
|● mountingplate||Yes||||||
|**Mechanical Design**<br>~~Se~~||||||||
|**height**||450 mm||||||
|**width**||250 mm||||||
|**mounting position**||vertical||||||
|**Net Weight**||1.58 kg||||||
|**Approvals Certificates**<br>~~a~~||||||||
|**Environment**|**General Product Approval**|||||||
|Environmental Con-<br>firmations<br>Environmental Con-<br>firmations<br>~~an~~|||||fl|Confirmation<br>—=—S~<“RK||
|**General Product Ap-**<br>**proval**<br>**Test Certificates**||||**other**||||
|Type Test Certific-<br>ates/Test Report<br>VK ~~— ~~|Special Test Certific-<br>ate<br> ~~—_ ~~||||Confirmation<br> ~~—~~|Miscellaneous||
|ca|||||||QC PASS|
|**Further information**<br>~~a~~||||||||
|**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=8GK4721-3KK10||||||||
|**Service&Support (Manuals, Certificates, Characteristics, FAQs,...)**||||||||
|https://support.industry.siemens.com/cs/ww/en/ps/8GK4721-3KK10||||||||
|**Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)**||||||||



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5/31/2026 

https://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=8GK4721-3KK10 **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:** 1/15/2026 

8GK47213KK10 Page 2/3 

Subject to change without notice © Copyright Siemens 

5/31/2026 

8GK47213KK10 Page 3/3 

Subject to change without notice © Copyright Siemens 

5/31/2026