# Circuit Breaker, MCB, 5SP3, 2P, 25 kA, 400 V, 63 A

![Product image](https://novapart.co/image/farnell:3475557/)

**URL**: https://novapart.co/products/5SP3263-3/circuit-breaker-mcb-5sp3-2p-25-ka-400-v-63-a
**SKU**: 5SP3263-3
**Manufacturer**: SIEMENS
**Price**: €258.5300
**Stock**: 10+

## Specifications

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

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3475557/)

**5SP3263-3** 

**Data sheet** 

Main miniature circuit breaker (SHU), 2-pole, E 63, 400V 

|a<br>|<br>}|Main miniature circuit breaker (SHU), 2-pole, E 63, 400V|
|---|---|
|**Model**<br>~~OC~~||
|**product brand name**<br>~~OC~~|SENTRON|
|**product designation**<br>~~OC~~|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>~~Co~~||
|**number ofpoles**<br>~~Co~~|2|
|**design ofpole**<br>~~Co~~|2P|
|**tripping characteristic class**|E|
|**mechanical service life(operating cycles) typical**|20 000|
|**overvoltage category**|4|
|**degree of pollution**|3|
|**Voltage**<br>~~Co~~||
|insulation voltage(Ui)rated value<br>~~Co~~|690 V|
|surge voltage resistance rated value<br>~~Co~~|6 kV|
|||
|**● operational current**||
|— at 30 °C rated value|63 A|
|**— at 40 °C rated value**|59.85 A|
|— at 50 °C rated value|56.7 A|
|— at 55 °C rated value|55.125 A|
|**● operational current at AC rated value**|63 A|
|**Supply voltage**<br>~~OC~~||
|supplyvoltage at AC<br>~~OC~~|400 V|
|**operating voltage rated value**<br>~~OC~~||
|● minimum|110 V|
|● maximum|440 V|
|supplyvoltage frequencyrated value|50 Hz|
|**Protection class**<br>~~ee~~||
|**protection class IP**<br>~~ee~~|IP40, with connected conductors<br>~~ee~~|
|**Breaking Capacity**<br>~~ee~~||
|**switching capacity current**<br>~~ee~~|~~ee~~|
|● rated value|25 kA|
|● accordingto EN 60898 rated value|25 kA|
|**Dissipation**<br>~~ee~~||
|power loss [W] for rated value of the current at AC in hot<br>operatingstateperpole<br>~~ee~~|9.7 W<br>~~ee~~|
|**suitability for operation**|Residential buildings/infrastructure|
|**Product details**<br>~~ee~~||



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|**product component**|**product component**||
|---|---|---|
|**● infeed at box terminal**||Yes|
|● saddle terminals||Yes|
|**product feature properties for main switches in accordance**<br>**with EN 60204-1**||Yes|
|**product feature sealable**<br>~~re~~||Yes<br>~~re~~|
|**Display and operation**|||
|displayversion for switch position indicator||OFF =green, ON = red|
|**Connections**<br>~~re~~|||
|**connectable conductor cross-section of the box terminal**<br>~~re~~||~~re~~|
|● 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**<br>**core endprocessing**|||
|● minimum||2.5 mm²|
|● maximum||50 mm²|
|**position of power supply cord**<br>~~re~~||Any<br>~~re~~|
|**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|
|fasteningmethod other<br>~~re~~||on DIN rail 35 mm acc. to EN 60715<br>~~re~~|
|**Net Weight**<br>~~re~~||765g<br>~~re~~|
|**Environmental conditions**|||
|**shock resistance**||30g, at least 3 impacts, impact duration 11 ms|
|**vibration resistance according to IEC 60068-2-6**||2g, 20 frequencycycles 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|
|**Approvals Certificates**<br>~~ee~~|||
|**Environment**<br>~~ee~~|**General Product Approval**<br>~~ee~~||



**Further information** ~~ee~~ **Information on the packaging** https://support.industry.siemens.com/cs/ww/en/view/109813875 

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**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=5SP3263-3 

**Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/5SP3263-3 

**Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)** https://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=5SP3263-3 

**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> 

**==> picture [203 x 225] intentionally omitted <==**

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**last modified:** 7/22/2025 

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## Links

- [View this product on Novapart](https://novapart.co/products/5SP3263-3/circuit-breaker-mcb-5sp3-2p-25-ka-400-v-63-a)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/siemens/5sp3263-3/rcbo-rcd-gfci-afdd-circuit-breakers/dp/3475557)
---

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