3NH4230

**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~~||



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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 

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**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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**last modified:** 

4/4/2025 

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