3NC1450

Fuse, Cartridge, SITOR Cylindrical, 50 A, 690 V, 14mm x 51mm, 0.55" x 2", SENTRON Series

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Manufacturer: SIEMENS
Product type: Cartridge Fuses
Fuse Current: 50A
Product Range: SENTRON Series
Fuse Size Metric: 14mm x 51mm
Fuse Size Imperial: 0.55" x 2"
Voltage Rating VAC: 690V
Blow Characteristic: -
Breaking Capacity Current AC: -

Delivery and price
Units per pack	10
Price	11.86 €
Current stock	10+
Lead time	30 days

Datasheet

**3NC1450** 

## **Data sheet** 

SITOR cylindrical fuse link, 14x51 mm, 50 A, aR, Un AC: 690 V, Un DC: 700 V, DC according to UL 

|**Model**|||
|---|---|---|
|**product brand name**||SENTRON|
|**product designation**||SITOR fuse link|
|**design of the product**||DC acc. to UL|
|**General technical data**<br>~~a~~|||
|**operating class of the fuse link**||aR|
|**type of voltage of the operating voltage**||AC|
|supplyvoltage at DC||700 V|
|**Dissipation**<br>~~st~~|||
|**power loss[W]**||9 W|
|power loss [W] for rated value of the current at AC in hot||9 W|
|operatingstate per pole|||
|**Main circuit**<br>~~st~~|||
|operational current rated value||50 A|
|**Product details**<br>~~a~~|||
|product component striker||No|
|**Mechanical Design**<br>~~a~~|||
|**mounting position**||Any,preferablyvertical|
|**Net Weight**||21g|
|**Approvals Certificates**<br>~~ee~~|||
|**Environment**||**General Product Approval**|
|Environmental Con-|Environmental Con|Environmental Con-<br>Confirmation|
|firmations|firmations||
|**General Product Approval**|**other**||
|c€<br>cA||Confirmation<br>~~_~~|



~~a~~ **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 

3NC1450 Page 1/3 

Subject to change without notice © Copyright Siemens 

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## **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=3NC1450 **Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/3NC1450 

**Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)** https://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=3NC1450 

**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> ~~i~~ 

**last modified:** 

11/14/2025 

3NC1450 Page 2/3 

Subject to change without notice © Copyright Siemens 

6/1/2026 

3NC1450 Page 3/3 

Subject to change without notice © Copyright Siemens 

6/1/2026

Updated at April 1, 2026

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