3NH3530

**3NH3530** 

**Data sheet** 

LV HRC fuse base Sz. 4, 1-pole 1250 A, 690 V flat terminal 

|||LV HRC fuse base Sz. 4, 1-pole 1250 A, 690 V flat terminal|LV HRC fuse base Sz. 4, 1-pole 1250 A, 690 V flat terminal|
|---|---|---|---|
|**Model**||||
|**product brand name**||SENTRON||
|**product designation**||LV HRC fuse base||
|**design of theproduct**||LV HRC fuse base||
|**design of the thread of the connection screw**||M12||
|**General technical data**<br>~~a~~||||
|**number ofpoles**<br>~~a~~||1<br>~~a~~||
|**size of fuse system according to EN 60269-1**||NH4||
|**utilization category**||Without||
|**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||
|tighteningtorque with screw-type terminals maximum||65 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||No||
|**Net Weight**||3.107 kg||
|**Approvals Certificates**<br>~~ee~~||||
|**Environment**<br>~~ee~~|**General Product Approval**<br>~~ee~~||**Test Certificates**<br>~~ee~~|



Subject to change without notice © Copyright Siemens 

3NH3530 Page 1/3 

6/2/2026 

Confirmation 

Confirmation 

Miscellaneous 

## **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=3NH3530 **Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/3NH3530 

**Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)** https://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=3NH3530 

**CAx-Online-Generator** https://www.siemens.com/cax 

**Tender specifications** https://www.siemens.com/specifications 

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**last modified:** 

8/8/2025 

Subject to change without notice © Copyright Siemens 

3NH3530 Page 2/3 

6/2/2026 

Subject to change without notice © Copyright Siemens 

3NH3530 Page 3/3 

6/2/2026