# Fuse Base, High Rupture Capacity, Flat Terminal, 3P, 250 A, 690 V

![Product image](https://novapart.co/image/farnell:3466265/)

**URL**: https://novapart.co/products/3NH4230/fuse-base-high-rupture-capacity-flat-terminal-3p
**SKU**: 3NH4230
**Manufacturer**: SIEMENS
**Category**: Circuit Protection || Fuses & Fuse Accessories || Fuse Holders
**Price**: €123.6400
**Stock**: 10+

## Specifications

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

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3466265/)

**3NH4230** 

**Data sheet** 

LV HRC fuse base Sz. 1, 3-pole 250 A 690 V flat terminal 

|||LV HRC fuse base Sz. 1, 3-pole 250 A 690 V flat terminal|
|---|---|---|
|**Model**<br>~~a~~|||
|**product brand name**<br>~~a~~||SENTRON<br>~~a~~|
|**product designation**||LV HRC fuse system|
|**design of theproduct**||LV HRC fuse base|
|**design of the thread of the connection screw**||M10|
|**General technical data**<br>~~ee~~|||
|**number ofpoles**<br>~~ee~~||3<br>~~ee~~|
|**size of fuse system according to EN 60269-1**||NH1|
|**Supply voltage**<br>~~a~~|||
|**supply voltage**<br>~~a~~||~~a~~|
|● at AC||690 V|
|● at DC||440 V|
|**Product details**<br>~~ee~~|||
|**product component swivel-in mechanism**<br>~~ee~~||No<br>~~ee~~|
|**maximum short-circuit current breaking capacity (Icu)**|||
|● at AC rated value||120 kA|
|● at DC rated value||25 kA|
|**Connections**<br>~~a~~|||
|**connectable conductor cross-section on box terminal**<br>~~a~~||~~a~~|
|● minimum||2.5 mm²|
|● maximum||50 mm²|
|**tightening torque of the screw for securing the equipment**<br>**maximum**||2.5 N·m|
|tighteningtorque with screw-type terminals maximum||38 N·m|
|**type of electrical connection**||With flat-type terminal|
|● for main current circuit||Flat-type terminal with nut|
|**Mechanical Design**<br>~~a~~|||
|**height**<br>~~a~~||203 mm<br>~~a~~|
|**width**||146 mm|
|**depth**||84 mm|
|**fastening method**||fixed mounting|
|fasteningmethod bus-mounting||No|
|**Net Weight**||2.09 kg|
|**Approvals Certificates**<br>~~ee~~|||
|**Environment**<br>~~ee~~|**General Product Approval**<br>~~ee~~||



Subject to change without notice © Copyright Siemens 

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Environmental ConEnvironmental ConConfirmation firmations ~~— =~~ firmations ~~~~~~ 

**Maritime application** 

## **other** 

Confirmation 

~~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 

**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=3NH4230 **Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/3NH4230 

**Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)** https://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=3NH4230 

**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> 

Subject to change without notice © Copyright Siemens 

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6/4/2026 

Subject to change without notice © Copyright Siemens 

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6/4/2026 

**last modified:** 

4/4/2025 

Subject to change without notice © Copyright Siemens 

3NH4230 Page 4/4 

6/4/2026 



## Links

- [View this product on Novapart](https://novapart.co/products/3NH4230/fuse-base-high-rupture-capacity-flat-terminal-3p)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/siemens/3nh4230/fuseholders/dp/3466265)
---

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