# Neutral Conductor Isolator, 1 mm2 to 16 mm2, 5SY, 5SL & 5SJ Miniature Circuit Breakers

![Product image](https://novapart.co/image/farnell:3556546/)

**URL**: https://novapart.co/products/5ST3804/neutral-conductor-isolator-1-mm2-to-16-5sy-5sl-5sj
**SKU**: 5ST3804
**Manufacturer**: SIEMENS
**Category**: Circuit Protection || Circuit Breakers || Circuit Breaker Accessories
**Price**: €21.1400
**Stock**: 10+

## Specifications

| Parameter | Value |
|---|---|
| Product Range | SENTRON Series |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3556546/)

**5ST3804** 

**Data sheet** 

Neutral conductor isolator for miniature circuit breaker 5SY, 5SL and 5SJ 

|||Neutral conductor isolator for miniature circuit breaker 5SY, 5SL and 5SJ|
|---|---|---|
|**Model**|||
|**product brand name**||SENTRON|
|**product designation**||Neutral disconnector|
|**design of the product**<br>~~re~~||for miniature circuit breakers 5SY, 5SL and 5SJ<br>~~re~~|
|**Voltage**|||
|insulation voltage rated value||440 V|
|surge voltage resistance rated value||6 kV|
|**Product details**<br>~~Se~~|||
|**product extension**<br>~~Se~~||neutral disconnector<br>~~Se~~|
|**Connections**<br>~~Se~~|||
|**connectable conductor cross-section**<br>~~Se~~||~~Se~~|
|● minimum||1 mm²|
|● maximum||16 mm²|
|**Mechanical Design**<br>~~Se~~|||
|**height**<br>~~Se~~||104 mm<br>~~Se~~|
|**width**||9 mm|
|**depth**||76 mm|
|**number of modular width units**<br>~~re~~||1<br>~~re~~|
|**Net Weight**<br>~~re~~||60g<br>~~re~~|
|**Environmental conditions**|||
|**ambient temperature during operation**|||
|● minimum||-40 °C|
|● maximum<br>~~ee~~||70 °C<br>~~ee~~|
|ambient temperature duringstorage minimum<br>~~ee~~||-40 °C<br>~~ee~~|
|**Approvals Certificates**|||
|**Environment**|**General Product Approval**||



**General Product Apother proval** CA {acpass ~~us a~~ 

Confirmation 

5ST3804 Page 1/3 

Subject to change without notice © Copyright Siemens 

6/2/2026 

**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 **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=5ST3804 **Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/5ST3804 

**Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)** https://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=5ST3804 **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> 

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5/5/2026 

5ST3804 Page 2/3 

Subject to change without notice © Copyright Siemens 

6/2/2026 

5ST3804 Page 3/3 

Subject to change without notice © Copyright Siemens 

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## Links

- [View this product on Novapart](https://novapart.co/products/5ST3804/neutral-conductor-isolator-1-mm2-to-16-5sy-5sl-5sj)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/siemens/5st3804/circuit-breaker-accessories/dp/3556546)
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