3NH3430

**3NH3430** 

**Data sheet** 

LV HRC fuse base Sz. 3, 1-pole 630 A 690 V (1000 V) flat terminal 

|||LV HRC fuse base Sz. 3, 1-pole 630 A 690 V (1000 V) flat terminal|LV HRC fuse base Sz. 3, 1-pole 630 A 690 V (1000 V) flat terminal|
|---|---|---|---|
|**Model**<br>~~a~~||||
|**product brand name**<br>~~a~~||SENTRON<br>~~a~~||
|**product designation**||LV HRC fuse system||
|**design of theproduct**<br>~~re~~||LV HRC fuse base<br>~~re~~||
|**design of the thread of the connection screw**<br>~~re~~<br>~~—~~||M12<br>~~re~~<br>~~—~~||
|**General technical data**<br>~~—~~||||
|**number ofpoles**<br>~~—~~<br>~~—~~||1<br>~~—~~<br>~~—~~||
|**size of fuse system according to EN 60269-1**<br>~~—~~||NH3<br>~~—~~||
|**utilization category**<br>~~—~~||Without<br>~~—~~||
|**Supply voltage**||||
|**supply voltage**||||
|● at AC||690 V||
|● at DC||440 V||
|**Product details**<br>~~a~~||||
|**product component swivel-in mechanism**<br>~~a~~||No<br>~~a~~||
|**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 connector||
|**Mechanical Design**<br>~~a~~||||
|**fastening method**<br>~~a~~||fixed mounting<br>~~a~~||
|fasteningmethod bus-mounting<br>~~as~~||No<br>~~as~~||
|**Net Weight**<br>~~as~~||1.096 kg<br>~~as~~||
|**Approvals Certificates**||||
|**Environment**|**General Product Approval**||**other**|



Subject to change without notice © Copyright Siemens 

3NH3430 Page 1/3 

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=3NH3430 **Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/3NH3430 **Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)** https://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=3NH3430 **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> 

**last modified:** 

4/3/2025 

Subject to change without notice © Copyright Siemens 

3NH3430 Page 2/3 

6/2/2026 

Subject to change without notice © Copyright Siemens 

3NH3430 Page 3/3 

6/2/2026