# Thermal Magnetic Circuit Breaker, MCB, 5SJ4, 2P, 14 kA, 240 V, 30 A

![Product image](https://novapart.co/image/farnell:3479625/)

**URL**: https://novapart.co/products/5SJ4230-7HG41/thermal-magnetic-circuit-breaker-mcb-5sj4-2p-14-ka
**SKU**: 5SJ4230-7HG41
**Manufacturer**: SIEMENS
**Category**: Circuit Protection || Circuit Breakers || Thermal Magnetic Circuit Breakers
**Price**: €146.4700
**Stock**: 10+

## Specifications

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

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3479625/)

**5SJ4230-7HG41** 

**Data sheet** 

Miniature circuit breaker 240 V 14kA, 2-pole, C, 30 A, D=70 mm according to UL 489 

|we<br>(rs<br>bene<br>=<br>cera]<br>f<br>ae<br>Es<br>i)<br>es|—<br>Figure similar|Miniature circuit breaker 240 V 14kA, 2-pole, C, 30 A, D=70 mm according to UL<br>489|
|---|---|
|**Model**||
|**product brand name**|SENTRON|
|**product designation**|Miniature circuit breakers|
|**design of the product**|Miniature circuit-breaker 5SJ4|
|**General technical data**||
|**number ofpoles**|2|
|**design ofpole**|2P|
|**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**|3|
|**degree of pollution**|3|
|**Voltage**||
|insulation voltage(Ui)at AC rated value|440 V|
|||
|**● operational current**||
|— at 30 °C rated value|30 A|
|**— at 40 °C rated value**|30 A|
|— at 50 °C rated value|28.5 A|
|— at 55 °C rated value|27.8 A|
|— at 60 °C rated value|27 A|
|**● operational current at AC rated value**|30 A|
|**Supply voltage**||
|**supply voltage**||
|● 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|240 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|125 V|
|supplyvoltage frequencyrated value|50 Hz|
|**Protection class**||



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|**protection class IP**|IP 0 in the handle range|
|---|---|
|**Breaking Capacity**||
|**switching capacity current**||
|● accordingto EN 60898 rated value|10 kA|
|● accordingto IEC 60947-2 rated value|15 kA|
|**Dissipation**||
|power loss [W] for rated value of the current at AC in hot<br>operatingstate per pole|3.4 W|
|**Main circuit**||
|**type of voltage supply at AC according to UL 489 and CSA**<br>**C22.2 No. 5-02**|240|
|**suitability for operation**|Infrastructure / Industry|
|**Product details**||
|**product feature touchprotection**|Yes|
|**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**|Yes|
|**product feature silicon-free**|Yes|
|**product extension installable supplementary devices**|Yes|
|**Product function**||
|**set values setting current(Ii) for I-tripping**|7,5|
|**reference value setting current(Ii) for I-tripping**|x In|
|product function note|Terminal tighteningtorque for Cu, 60/75°C; 3.5Nm/31lb.in|
|**Short circuit**||
|short-circuit current breaking capacity (Icn) at AC according to<br>UL 1077 and CSA C22.2 No.235|14 kA|
|**Connections**||
|**connectable conductor cross-section finely stranded with**<br>**core endprocessing**||
|● minimum|0.75 mm²|
|● maximum|25 mm²|
|tighteningtorque with screw-type terminals maximum|3.5 N·m|
|**position of power supply cord**|Any|
|**Mechanical Design**||
|**height**|110 mm|
|**width**|36 mm|
|**depth**|70 mm|
|**installation depth**|70 mm|
|**number of modular width units**|2|
|**fastening method**|on standard mountingrail|
|**mounting position**|any|
|**Net Weight**|331.5g|
|**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**||



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|**Environment**<br>**General Product Approval**||||
|---|---|---|---|
|Environmental Con-<br>firmations<br>Environmental Con-<br>firmations<br>~~i~~|©|.|FH|
|**General Product Approval**||**Test Certificates**|**other**|
|Confirmation<br>~~—~~<br>CC|UK<br>EK|Special Test Certific-<br>ate<br>~~—— ~~|Confirmation<br> ~~—~~|
|**other**||||
|QC PASS||||
|**Further information**<br>~~ee~~||||
|**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=5SJ4230-7HG41||||
|**Service&Support (Manuals, Certificates, Characteristics, FAQs,...)**||||
|https://support.industry.siemens.com/cs/ww/en/ps/5SJ4230-7HG41||||
|**Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)**||||
|https://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=5SJ4230-7HG41||||
|**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:** 1/11/2026 

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