8GK4556-3KK12

**8GK4556-3KK12** 

**Data sheet** 

|||ALPHA 400/630/1250 DIN assembly kit fuse switch disconnector 3NP4270, 1x|ALPHA 400/630/1250 DIN assembly kit fuse switch disconnector 3NP4270, 1x|
|---|---|---|---|
|||NH1 for mounting on support plate, H = 450 mm, W = 250 mm H = 450 mm, W =|NH1 for mounting on support plate, H = 450 mm, W = 250 mm H = 450 mm, W =|
|||250 mm||
|**Model**<br>~~ee~~||||
|**product brand name**||ALPHA||
|**product designation**||Assemblykit for LV HRC fuse switch disconnectors||
|**design of theproduct**||1x 3NP4270, NH1||
|**coverplate version**||with cutout||
|**product component**||||
|**●grounding bus**||No||
|●plastic coverplate||Yes||
|● mountingplate||Yes||
|**Mechanical Design**<br>~~ee~~||||
|**height**||450 mm||
|**width**||250 mm||
|**mounting position**||vertical||
|**Net Weight**||1 260g||
|**Approvals Certificates**<br>~~ee~~||||
|**Environment**|**General Product Approval**||**Test Certificates**|
|Environmental Con-<br>Environmental Con-||Confirmation|Type Test Certific-|
|firmations<br>firmations|||ates/Test Report|
|**Test Certificates**<br>**other**||||
|Special Test Certific-<br>ate<br>Confirmation<br>~~OO~~|Miscellaneous|||
|||QC PASS||
|**Further information**<br>~~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=8GK4556-3KK12||||
|**Service&Support (Manuals, Certificates, Characteristics, FAQs,...)**||||
|https://support.industry.siemens.com/cs/ww/en/ps/8GK4556-3KK12||||
|**Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)**||||
|https://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=8GK4556-3KK12||||
|**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 ~~ee~~ 8GK45563KK12 Subject to change without notice Page 1/2 5/31/2026 © Copyright Siemens 

8GK45563KK12 Page 2/2 

Subject to change without notice © Copyright Siemens 

5/31/2026