# Fuse, Cartridge, SITOR Cylindrical, 40 A, 690 V, 14mm x 51mm, 0.55" x 2", SENTRON Series

![Product image](https://novapart.co/image/farnell:3465995/)

**URL**: https://novapart.co/products/3NC1440-5/fuse-cartridge-sitor-cylindrical-40-a-690-v-14mm-x
**SKU**: 3NC1440-5
**Manufacturer**: SIEMENS
**Category**: Circuit Protection || Fuses & Fuse Accessories || Fuses || Cartridge Fuses
**Price**: €17.9800
**Stock**: 10+

## Specifications

| Parameter | Value |
|---|---|
| Fuse Current | 40A |
| 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 | - |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3465995/)

**3NC1440-5** 

**Data sheet** 

SITOR cylindrical fuse link, 14x51 mm, 40 A, aR, Un AC: 690 V, Un DC: 600 V, DC according to UL, Striker indicator 

|**Model**||||
|---|---|---|---|
|**product brand name**||SENTRON||
|**product designation**||SITOR fuse link||
|**design of theproduct**||DC acc. to UL||
|**design of an identification indicator**||Striker indicator||
|**General technical data**<br>~~a~~||||
|**operating class of the fuse link**||aR||
|**type of voltage of the operating voltage**||AC||
|supplyvoltage at DC||600 V||
|**Dissipation**<br>~~st~~||||
|**power loss[W]**||8 W||
|power loss [W] for rated value of the current at AC in hot||8 W||
|operatingstate per pole||||
|**Main circuit**<br>~~st~~||||
|operational current rated value||40 A||
|**Product details**<br>~~a~~||||
|product component striker||Yes||
|**Mechanical Design**<br>~~a~~||||
|**mounting position**||Any,preferablyvertical||
|**Net Weight**||23g||
|**Approvals Certificates**<br>~~a~~||||
|**Environment**|||**General Product Approval**|
|Environmental Con-|Environmental Con|Environmental Con-|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** 

3NC14405 Page 1/3 

Subject to change without notice © Copyright Siemens 

6/4/2026 

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=3NC1440-5 

**Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/3NC1440-5 

**Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)** https://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=3NC1440-5 

**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 

3NC14405 Page 2/3 

Subject to change without notice © Copyright Siemens 

6/4/2026 

3NC14405 Page 3/3 

Subject to change without notice © Copyright Siemens 

6/4/2026 



## Links

- [View this product on Novapart](https://novapart.co/products/3NC1440-5/fuse-cartridge-sitor-cylindrical-40-a-690-v-14mm-x)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/siemens/3nc1440-5/cartridge-fuse-40a-690vac-14mmx51mm/dp/3465995)
---

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