# Fuse, Cartridge, SITOR Cylindrical, 3 A, 660 V, 14mm x 51mm, 0.55" x 2", SENTRON Series

![Product image](https://novapart.co/image/farnell:3465969/)

**URL**: https://novapart.co/products/3NC1403/fuse-cartridge-sitor-cylindrical-3-a-660-v-14mm-x
**SKU**: 3NC1403
**Manufacturer**: SIEMENS
**Category**: Circuit Protection || Fuses & Fuse Accessories || Fuses || Cartridge Fuses
**Price**: €11.0900
**Stock**: 10+

## Specifications

| Parameter | Value |
|---|---|
| Fuse Current | 3A |
| Product Range | SENTRON Series |
| Fuse Size Metric | 14mm x 51mm |
| Fuse Size Imperial | 0.55" x 2" |
| Voltage Rating Vac | 660V |
| Blow Characteristic | - |
| Breaking Capacity Current Ac | - |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3465969/)

**3NC1403** 

**Data sheet** 

SITOR cylindrical fuse link, 14x51 mm, 3 A, aR, Un AC: 660 V 

|**Model**|||||
|---|---|---|---|---|
|**product brand name**||SENTRON|||
|**product designation**||SITOR fuse link|||
|**General technical data**<br>~~ee~~|||||
|**operating class of the fuse link**||aR|||
|**type of voltage of the operating voltage**||AC|||
|**Dissipation**<br>~~|~~|||||
|**power loss[W]**||2.5 W|||
|power loss [W] for rated value of the current at AC in hot||3 W|||
|operatingstate per pole|||||
|**Main circuit**<br>~~|~~|||||
|operational current rated value||3 A|||
|**Product details**<br>~~ee~~|||||
|product component striker||No|||
|**Mechanical Design**<br>~~|~~|||||
|**mounting position**||Any,preferablyvertical|||
|**Net Weight**||20g|||
|**Approvals Certificates**<br>~~ee~~|||||
|**Environment**||**General Product Approval**|||
|Environmental Con-<br>firmations<br>EPD|Environmental Con-<br>firmations<br> ~~TT~~<br>a||FAL|Confirmation|
|**General Product Approval**|**other**||||
|ce<br>cA||Confirmation|||



**Further information** ~~OO—C—SC—C—C“‘CNCNC‘C(U!SCS~~ **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 

3NC1403 Page 1/3 

Subject to change without notice © Copyright Siemens 

6/4/2026 

## **Industry Mall (Online ordering system)** 

https://mall.industry.siemens.com/mall/en/en/Catalog/product?mlfb=3NC1403 **Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/3NC1403 

**Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)** https://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=3NC1403 

**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 

3NC1403 Page 2/3 

Subject to change without notice © Copyright Siemens 

6/4/2026 

3NC1403 Page 3/3 

Subject to change without notice © Copyright Siemens 

6/4/2026 



## Links

- [View this product on Novapart](https://novapart.co/products/3NC1403/fuse-cartridge-sitor-cylindrical-3-a-660-v-14mm-x)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/siemens/3nc1403/cartridge-fuse-3a-660vac-14mmx51mm/dp/3465969)
---

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