# Thermal Magnetic Circuit Breaker, MCB, 5SJ4, 3P, 10 kA, 277 V, 6 A

![Product image](https://novapart.co/image/farnell:3479673/)

**URL**: https://novapart.co/products/5SJ4306-7HG42/thermal-magnetic-circuit-breaker-mcb-5sj4-3p-10-ka
**SKU**: 5SJ4306-7HG42
**Manufacturer**: SIEMENS
**Category**: Circuit Protection || Circuit Breakers || Thermal Magnetic Circuit Breakers
**Price**: €194.5000
**Stock**: 10+

## Specifications

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

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3479673/)

**5SJ4306-7HG42** 

## **Data sheet** 

||Circuit breaker 10kA, 3-pole, C, 6A according to UL 489-480Y/277V|
|---|---|
|**Model**<br>~~|~~||
|**product brand name**<br>~~|~~|SENTRON<br>~~|~~|
|**product designation**<br>~~Oe~~|Miniature circuit breakers<br>~~Oe~~|
|**design of the product**<br>~~Oe~~|Miniature circuit-breaker 5SJ4<br>~~Oe~~|
|**General technical data**||
|**number ofpoles**|3|
|**design ofpole**|3P|
|**tripping characteristic class**|C|
|**mechanical service life(operating cycles) typical**|10 000|
|**installation environment regarding EMC**|Suitable for environment B(immunityto interference not applicable)|
|**reference code according to DIN 40719 extended according**<br>**to IEC 204-2 according to IEC 750**|F|
|**overvoltage category**<br>~~Oe~~|3<br>~~Oe~~|
|**degree of pollution**<br>~~Oe~~|3<br>~~Oe~~|
|**Voltage**||
|insulation voltage(Ui)at AC rated value|440 V|
|||
|**● operational current**||
|— at 30 °C rated value|6 A|
|**— at 40 °C rated value**|6 A|
|— at 50 °C rated value|5.7 A|
|— at 55 °C rated value|5.6 A|
|— at 60 °C rated value|5.4 A|
|**● operational current at AC rated value**|6 A|
|**Supply voltage**<br>~~|~~||
|**supply voltage**<br>~~|~~|~~|~~|
|● at AC|400 V|
|● at DC rated value|60 V|
|**value range of the supply voltage frequency**|50/60 Hz|
|**operating voltage**||
|● at AC according to UL 489 and CSA C22.2 No. 5-02<br>maximum|277 V|
|● at DC rated value maximum|60 V|
|● at DC 1-channel according to UL 489 and CSA C22.2 No.<br>5-02 maximum|60 V|
|● at DC 2-channel according to UL 489 and CSA C22.2 No.<br>5-02 maximum<br>~~Oo~~|125 V<br>~~Oo~~|
|supplyvoltage frequencyrated value<br>~~Oo~~|50 Hz<br>~~Oo~~|
|**Protection class**||
|**protection class IP**|IP 0 in the handle range|
|**Breaking Capacity**<br>~~|~~||
|**switching capacity current**<br>~~|~~|~~|~~|
|● accordingto EN 60898 rated value|10 kA|
|● accordingto IEC 60947-2 rated value|15 kA|
|**Dissipation**<br>~~|~~||
|power loss [W] for rated value of the current at AC in hot<br>operatingstate per pole<br>~~|~~|2.7 W<br>~~|~~|
|**Main circuit**<br>~~|~~||
|**type of voltage supply at AC according to UL 489 and CSA**<br>**C22.2 No. 5-02**<br>~~|~~|480/277<br>~~|~~|
|**suitability for operation**|Infrastructure / Industry|



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|**Product details**<br>~~|~~|**Product details**<br>~~|~~|**Product details**<br>~~|~~|
|---|---|---|
|**product feature touchprotection**<br>~~|~~||Yes<br>~~|~~|
|**product component**|||
|**● tunnel terminals top**||No|
|**● tunnel terminals bottom**||No|
|● combined terminal top||Yes|
|● combined terminal bottom||Yes|
|● neutral conductor switching||No|
|**product feature halogen-free**||Yes|
|**product feature sealable**<br>~~Oe~~||Yes<br>~~Oe~~|
|**product feature silicon-free**<br>~~Oe~~||Yes<br>~~Oe~~|
|**product extension installable supplementary devices**<br>~~Oe~~||Yes<br>~~Oe~~|
|**Product function**|||
|**set values setting current(Ii) for I-tripping**<br>~~Oc~~||7,5<br>|
|**reference value setting current(Ii) for I-tripping**<br>~~Oc~~||x In<br>|
|product function note<br>~~Oc~~||Terminal tighteningtorque for Cu, 60/75°C; 3.5Nm/31lb.in<br>|
|**Short circuit**<br>|||
|short-circuit current breaking capacity (Icn) at AC according to<br>UL 1077 and CSA C22.2 No.235<br>||10 kA<br>|
|**Connections**<br>~~|~~|||
|**connectable conductor cross-section finely stranded with**<br>**core endprocessing**<br>~~|~~||~~|~~|
|● minimum||0.75 mm²|
|● maximum<br>~~Oe~~||25 mm²<br>~~Oe~~|
|tighteningtorque with screw-type terminals maximum<br>~~Oe~~||3.5 N·m<br>~~Oe~~|
|**position of power supply cord**<br>~~Oe~~||Any<br>~~Oe~~|
|**Mechanical Design**|||
|**height**||121 mm|
|**width**||54 mm|
|**depth**||70 mm|
|**installation depth**||70 mm|
|**number of modular width units**||3|
|**fastening method**<br>~~Oe~~||on standard mountingrail<br>~~Oe~~|
|**mounting position**<br>~~Oe~~||any<br>~~Oe~~|
|**Net Weight**<br>~~Oe~~||496g<br>~~Oe~~|
|**Environmental conditions**|||
|**standard**||IEC / EN 60947-2 / UL 489|
|**vibration resistance**||50 m/s² at 25 to 150Hz and 60m/s² at 35Hz(4sec)|
|**vibration resistance according to IEC 60068-2-6**||±1 mm at 5 to 25 Hz; 50 m/s² at 25 to 150 Hz|
|**ambient temperature during operation**|||
|● minimum||-25 °C|
|● maximum||55 °C|
|**ambient temperature during operation**||max. 95% humidity|
|**ambient temperature during storage**|||
|● minimum||-40 °C|
|● maximum||75 °C|
|**Approvals Certificates**<br>~~ee~~|||
|**Environment**<br>~~ee~~|**General Product Approval**<br>~~ee~~||



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- Special Test Certific ate BK ~~=~~ 

~~~~~ Confirmation 

Confirmation 

## **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=5SJ4306-7HG42 **Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/5SJ4306-7HG42 **Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)** https://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=5SJ4306-7HG42 **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:** 

1/11/2026 

5SJ43067HG42 Page 3/4 

Subject to change without notice © Copyright Siemens 

5/30/2026 

5SJ43067HG42 Page 4/4 

Subject to change without notice © Copyright Siemens 

5/30/2026 



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- [Supplier page](https://es.farnell.com/siemens/5sj4306-7hg42/thermal-magnetic-circuit-breakers/dp/3479673)
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