# Circuit Breaker, MCB, 5SY4, 3P, 10 kA, 400 V, 0.5 A

![Product image](https://novapart.co/image/farnell:3475915/)

**URL**: https://novapart.co/products/5SY4305-5/circuit-breaker-mcb-5sy4-3p-10-ka-400-v-05-a
**SKU**: 5SY4305-5
**Manufacturer**: SIEMENS
**Price**: €200.2000
**Stock**: 10+

## Specifications

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

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3475915/)

**5SY4305-5** 

**Data sheet** 

miniature circuit breaker 400 V 10 kA, 3-pole, A, 0.5 A, D=70 mm 

||miniature circuit breaker 400 V 10 kA, 3-pole, A, 0.5 A, D=70 mm|
|---|---|
|**Model**<br>~~eee~~||
|**product brand name**<br>~~eee~~|SENTRON<br>~~eee~~|
|**product designation**<br>~~eee~~|Miniature circuit breaker<br>~~eee~~|
|**General technical data**<br>~~pe~~||
|**number ofpoles**<br>~~pe~~|3<br>~~pe~~|
|**design ofpole**<br>~~pe~~|3P<br>~~pe~~|
|**tripping characteristic class**|A|
|**mechanical service life(operating cycles) typical**|10 000|
|**overvoltage category**|3|
|**degree of pollution**|3|
|**Voltage**<br>~~pe~~||
|**type of voltage of the operating voltage**<br>~~pe~~|AC<br>~~pe~~|
|**insulation voltage (Ui)**<br>~~pe~~|~~pe~~|
|● with single-phase operation at AC rated value|440 V|
|● with multi-phase operation at AC rated value|440 V|
|||
|**● operational current**||
|**— at 40 °C rated value**|0.48 A|
|— at 50 °C rated value|0.45 A|
|— at 55 °C rated value|0.44 A|
|— at 60 °C rated value|0.42 A|
|**● operational current at AC rated value**|0.5 A|
|**Supply voltage**<br>~~eee~~||
|**supply voltage**<br>~~eee~~|~~eee~~|
|● at AC|400 V|
|**value range of the supply voltage frequency**|50/60 Hz|
|operatingvoltage at DC rated value maximum|72 V|
|**Protection class**<br>~~ee~~||
|**protection class IP**<br>~~ee~~|IP20, with connected conductors<br>~~ee~~|
|**Breaking Capacity**<br>~~eee~~||
|**switching capacity current**<br>~~eee~~|~~eee~~|
|● at DC accordingto IEC 60947-2 rated value|15 kA|
|● accordingto EN 60898 rated value|10 kA|
|● accordingto IEC 60947-2 rated value|35 kA|
|**Dissipation**<br>~~ees~~||
|power loss [W] for rated value of the current at AC in hot<br>operatingstateperpole<br>~~ees~~|1.9 W<br>~~ees~~|
|**suitability for operation**|Infrastructure / Industry<br>~~!~~|
|**Product details**<br>~~i~~<br>~~!~~||



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|**product feature touchprotection**|Yes|
|---|---|
|**product component**||
|● combined terminal top|Yes|
|● combined terminal bottom|Yes|
|● neutral conductor switching|No|
|**product feature properties for main switches in accordance**<br>**with EN 60204-1**|Yes|
|**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**|2,5|
|**reference value setting current(Ii) for I-tripping**|x In|
|**Short circuit**||
|**short-circuit current breaking capacity (Icn)**||
|● at AC accordingto UL 1077 and CSA C22.2 No.235|5 kA|
|**Connections**||
|**connectable conductor cross-section solid**||
|● minimum|0.75 mm²|
|● maximum|35 mm²|
|**connectable conductor cross-section stranded**||
|● minimum|0.75 mm²|
|● maximum|35 mm²|
|**connectable conductor cross-section finely stranded with**<br>**core endprocessing**||
|● minimum|0.75 mm²|
|● maximum|25 mm²|
|**AWG number as coded connectable conductor cross**<br>**section**||
|● minimum|18|
|● maximum|4|
|**tightening torque[lbf·in] with screw-type terminals**||
|● minimum|22 lbf·in|
|● maximum|31 lbf·in|
|**tightening torque with screw-type terminals**||
|● minimum|2.5 N·m|
|● maximum|3.5 N·m|
|**position of power supply cord**|Any|
|**Mechanical Design**||
|**height**|90 mm|
|**width**|54 mm|
|**depth**|76 mm|
|**installation depth**|70 mm|
|**number of modular width units**|3|
|**fastening method**|DIN rail|
|**mounting position**|any|
|**Net Weight**|480g|
|**Environmental conditions**||
|**influence of the surrounding temperature**|max. 95% RH upto 55°C, max. 55% RH upto 70°C, max. 35% RH upto 75°C|
|**standard**|IEC / EN 60898-1, IEC / EN 60947-2 / UL1077|
|**vibration resistance according to IEC 60068-2-6**|±1mm at 5 to 25Hz; 50m/s² at 25 to 150Hz|
|**ambient temperature during operation**||
|● minimum|-40 °C|
|● maximum|70 °C|
|**ambient temperature during storage**||
|● minimum|-40 °C|
|● maximum|75 °C|
|**number of test cycles for environmental testing according**<br>**to IEC 60068-2-30**|6|



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|**Approvals Certificates**<br>~~P|~~|**Approvals Certificates**<br>~~P|~~|**Approvals Certificates**<br>~~P|~~|**Approvals Certificates**<br>~~P|~~|**Approvals Certificates**<br>~~P|~~|
|---|---|---|---|---|
|**Environment**|**General Product Approval**||||
|Environmental Con-<br>Environmental Con-||||Miscellaneous|
|firmations<br>firmations|||||
||||||
|**General Product Approval**|||**Test Certificates**||
|Miscellaneous<br>~~—~~<br>FT<br>ARY|Confirmation<br>Special Test Certific-<br>ate<br>Miscellaneous<br> ~~=~~~||||
|**Maritime application**<br>**other**|||**Railway**||
|O<br>8<br>KR|Confirmation||Special Test Certific-<br>ate|Confirmation|
|**Further information**<br>~~ES~~|||||
|**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=5SY4305-5|||||
|**Service&Support (Manuals, Certificates, Characteristics, FAQs,...)**|||||
|https://support.industry.siemens.com/cs/ww/en/ps/5SY4305-5|||||
|**Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)**|||**Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)**||
|https://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=5SY4305-5|||||
|**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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## Links

- [View this product on Novapart](https://novapart.co/products/5SY4305-5/circuit-breaker-mcb-5sy4-3p-10-ka-400-v-05-a)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/siemens/5sy4305-5/rcbo-rcd-gfci-afdd-circuit-breakers/dp/3475915)
---

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