# Circuit Breaker, MCB, 5SP3, 2P, 25 kA, 400 V, 25 A

![Product image](https://novapart.co/image/farnell:3475552/)

**URL**: https://novapart.co/products/5SP3225-3/circuit-breaker-mcb-5sp3-2p-25-ka-400-v-a
**SKU**: 5SP3225-3
**Manufacturer**: SIEMENS
**Price**: €234.5200
**Stock**: 10+

## Specifications

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

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3475552/)

**5SP3225-3** 

**Data sheet** 

Main miniature circuit breaker (SHU), 2-pole, E 25, 400V 

|oof<br>zy<br>}<br>Figure similar|Main miniature circuit breaker (SHU), 2-pole, E 25, 400V|
|---|---|
|**Model**<br>~~eee~~||
|**product brand name**<br>~~eee~~|SENTRON<br>~~eee~~|
|**product designation**|Miniature circuit breaker|
|**design of theproduct**|Main miniature circuit breaker|
|**design of the locking device**|Integrated lockingslide, lockable bymeans of a lock, wire seal and cable ties|
|**General technical data**<br>~~ee~~||
|**number ofpoles**<br>~~ee~~|2<br>~~ee~~|
|**design ofpole**|2P|
|**tripping characteristic class**|E|
|**mechanical service life(operating cycles) typical**|20 000|
|**overvoltage category**|4|
|**degree of pollution**|3|
|**Voltage**<br>~~ee~~||
|insulation voltage(Ui)rated value<br>~~ee~~|690 V<br>~~ee~~|
|surge voltage resistance rated value|6 kV|
|||
|**● operational current**||
|— at 30 °C rated value|25 A|
|**— at 40 °C rated value**|23.75 A|
|— at 50 °C rated value|22.5 A|
|— at 55 °C rated value|21.875 A|
|**● operational current at AC rated value**|25 A|
|**Supply voltage**<br>~~ees~~||
|supplyvoltage at AC<br>~~ees~~|400 V<br>~~ees~~|
|**operating voltage rated value**||
|● minimum|110 V|
|● maximum|440 V|
|supplyvoltage frequencyrated value|50 Hz|
|**Protection class**<br>~~eee~~||
|**protection class IP**<br>~~eee~~|IP40, with connected conductors<br>~~eee~~|
|**Breaking Capacity**<br>~~es~~||
|**switching capacity current**<br>~~es~~|~~es~~|
|● rated value|25 kA|
|● accordingto EN 60898 rated value|25 kA|
|**Dissipation**<br>~~eee~~||
|power loss [W] for rated value of the current at AC in hot<br>operatingstateperpole<br>~~eee~~|6.5 W<br>~~eee~~|
|**suitability for operation**|Residential buildings/infrastructure|



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**----- Start of picture text -----**<br>
||||
|---|---|---|
|a|Product details|
|product component|
|● infeed at box terminal|Yes|
|● saddle terminals|Yes|
|product feature properties for main switches in accordance|Yes|
|with EN 60204-1|
|re|
|product feature sealable|Yes|
|Display and operation|
|display version for switch position indicator|OFF = green, ON = red|
|ee|Connections|
|connectable conductor cross-section of the box terminal|
|● solid minimum|2.5 mm²|
|● solid maximum|50 mm²|
|● stranded minimum|2.5 mm²|
|● stranded maximum|50 mm²|
|connectable conductor cross-section solid|
|● minimum|2.5 mm²|
|● maximum|50 mm²|
|connectable conductor cross-section stranded|
|● minimum|2.5 mm²|
|● maximum|50 mm²|
|connectable conductor cross-section finely stranded with|
|core end processing|
|● minimum|2.5 mm²|
|● maximum|50 mm²|
|re|
|position of power supply cord|Any|
|Mechanical Design|
|height|128 mm|
|depth|76.3 mm|
|depth of the enclosure|76.3 mm|
|number of modular width units|3|
|fastening method|DIN rail|
|re|fastening method other|on DIN rail 35 mm acc. to EN 60715|
|Net Weight|753 g|
|Environmental conditions|
|shock resistance|30 g, at least 3 impacts, impact duration 11 ms|
|vibration resistance according to IEC 60068-2-6|2 g, 20 frequency cycles 5 to 150 to 15 Hz|
|ambient temperature during operation|
|● minimum|-25 °C|
|● maximum|55 °C|
|ambient temperature during storage|
|● minimum|-40 °C|
|● maximum|70 °C|
|ee|Approvals Certificates|
|Environment|General Product Approval|
|Environmental Con-|Environmental Con-|
|firmations|firmations|

**----- End of picture text -----**<br>


## **other** 

Confirmation 

**Further information** ~~ee~~ 5SP32253 Subject to change without notice Page 2/5 6/4/2026 © Copyright Siemens 

Subject to change without notice © Copyright Siemens 

## **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=5SP3225-3 

**Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/5SP3225-3 

**Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)** https://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=5SP3225-3 **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:** 7/22/2025 

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## Links

- [View this product on Novapart](https://novapart.co/products/5SP3225-3/circuit-breaker-mcb-5sp3-2p-25-ka-400-v-a)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/siemens/5sp3225-3/rcbo-rcd-gfci-afdd-circuit-breakers/dp/3475552)
---

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