5SL4302-8

**5SL4302-8** 

**Data sheet** 

Miniature circuit breaker 400 V 10kA, 3-pole, D, 2A 

|a<br>aw|Miniature circuit breaker 400 V 10kA, 3-pole, D, 2A|
|---|---|
|**Model**<br>~~ee~~||
|**product brand name**<br>~~ee~~|SENTRON<br>~~ee~~|
|**product designation**|Miniature circuit breaker|
|**General technical data**<br>~~ee~~||
|**number ofpoles**<br>~~ee~~|3<br>~~ee~~|
|**design ofpole**|3P|
|**tripping characteristic class**|D|
|**mechanical service life(operating cycles) typical**|10 000|
|**overvoltage category**|3|
|**degree of pollution**|2|
|**Voltage**<br>~~ee~~||
|**type of voltage of the operating voltage**<br>~~ee~~|AC<br>~~ee~~|
|**type of voltage**|Use only in alternating current or direct current circuits. Mixed use is not<br>permitted.|
|**insulation voltage (Ui)**||
|● with multi-phase operation at AC rated value|440 V|
|||
|**● operational current**||
|— at 30 °C rated value|2 A|
|**— at 40 °C rated value**|1.92 A|
|— at 55 °C rated value|1.79 A|
|**● operational current at AC rated value**|2 A|
|**Supply voltage**<br>~~ee~~||
|supplyvoltage at AC<br>~~ee~~|400 V<br>~~ee~~|
|**value range of the supply voltage frequency**|50/60 Hz|
|**operating voltage**||
|● with multi-phase operation at AC maximum|440 V|
|**Protection class**<br>~~ee~~||
|**protection class IP**<br>~~ee~~|IP20, with connected conductors<br>~~ee~~|
|**Breaking Capacity**<br>~~ee~~||
|**switching capacity current**<br>~~ee~~|~~ee~~|
|● accordingto EN 60898 rated value|10 kA|
|● accordingto IEC 60947-2 rated value|10 kA|
|**Dissipation**<br>~~ee~~||
|power loss [W] for rated value of the current at AC in hot<br>operatingstateperpole<br>~~ee~~|1.1 W<br>~~ee~~|
|**suitability for operation**|Residential buildings/infrastructure|
|**Product details**<br>~~ee~~||
|**product feature touch protection**<br>~~ee~~|Yes<br>~~ee~~|



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|product component neutral conductor switching|product component neutral conductor switching|No|
|---|---|---|
|**product feature halogen-free**||Yes|
|**product feature sealable**||Yes|
|**product feature silicon-free**<br>~~$__—§~~||Yes<br>~~$__—§~~|
|**product extension installable supplementary devices**<br>~~$__—§~~||Yes<br>~~$__—§~~|
|**Connections**|||
|**connectable conductor cross-section solid**|||
|● minimum||0.75 mm²|
|● maximum||25 mm²|
|**connectable conductor cross-section stranded**|||
|● minimum||0.75 mm²|
|● maximum||25 mm²|
|**connectable conductor cross-section finely stranded with**<br>**core endprocessing**|||
|● minimum||0.75 mm²|
|● maximum||25 mm²|
|**tightening torque with screw-type terminals**|||
|● minimum||2.5 N·m|
|● maximum||3 N·m|
|**Mechanical Design**<br>~~a~~|||
|**height**<br>~~a~~||90 mm<br>~~a~~|
|**width**||54 mm|
|**depth**||76 mm|
|**installation depth**||70 mm|
|**number of modular width units**||3|
|**mounting position**<br>~~$$$~~||any<br>~~$$$~~|
|**Net Weight**<br>~~$$$~~||457g<br>~~$$$~~|
|**Environmental conditions**|||
|**ambient temperature during operation**|||
|● minimum||-25 °C|
|● maximum||55 °C|
|**ambient temperature during storage**|||
|● minimum||-40 °C|
|● maximum||75 °C|
|**Approvals Certificates**<br>~~a~~|||
|**Environment**<br>~~a~~|**General Product Approval**<br>~~a~~||



## **other** 

~~P~~ **Further information** ~~s~~ **Information on the packaging** https://support.industry.siemens.com/cs/ww/en/view/109813875 **Information for data generation and storage** 

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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=5SL4302-8 **Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/5SL4302-8 **Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)** https://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=5SL4302-8 

**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> 

**==> picture [439 x 330] intentionally omitted <==**

**----- Start of picture text -----**<br>
54 6,2 68,3<br>1<br>,<br>90<br>**----- End of picture text -----**<br>


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## -F ~~4~~ **last modified:** 7/23/2025 ~~G~~ 5SL43028 Subject to change without notice Page 4/5 6/4/2026 © Copyright Siemens 

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