# Circuit Breaker, MCB, 5SL6, 3P, 6 kA, 400 V, 40 A
**URL**: https://novapart.co/products/5SL6340-7/circuit-breaker-mcb-5sl6-3p-6-ka-400-v-40-a
**SKU**: 5SL6340-7
**Manufacturer**: SIEMENS
**Price**: €139.2700
**Stock**: 10+
## Specifications
| Parameter | Value |
|---|---|
| Product Range | SENTRON Series |
## Datasheet
📄 [Download PDF](https://novapart.co/datasheet/farnell:3475452/)
**5SL6340-7**
**Data sheet**
Miniature circuit breaker 400 V 6kA, 3-pole, C, 40 A
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|||
|---|---|
|a|Model|
|product brand name|SENTRON|
|product designation|Miniature circuit breaker|
|General technical data|
|number of poles|3|
|design of pole|3P|
|tripping characteristic class|C|
|mechanical service life (operating cycles) typical|10 000|
|overvoltage category|3|
|degree of pollution|2|
|Voltage|
|type of voltage of the operating voltage|AC|
|type of voltage|Use only in alternating current or direct current circuits. Mixed use is not|
|permitted.|
|insulation voltage (Ui)|
|● with multi-phase operation at AC rated value|440 V|
|● operational current|
|— at 30 °C rated value|40 A|
|— at 40 °C rated value|38.07 A|
|— at 55 °C rated value|34.97 A|
|● operational current at AC rated value|40 A|
|Se|Supply voltage|
|supply voltage at AC|400 V|
|value range of the supply voltage frequency|50/60 Hz|
|operating voltage|
|● with multi-phase operation at AC maximum|440 V|
|● at DC rated value maximum|62.5 V|
|●|The operational voltage 62,5V DC/pole takes into account a battery charging|
|voltage with peak value of 72V|
|Protection class|
|I|
|protection class IP|IP20, with connected conductors|
|Se|Breaking Capacity|
|switching capacity current|
|● according to EN 60898 rated value|6 kA|
|● according to IEC 60947-2 rated value|6 kA|
|energy limitation class|3|
|I|Dissipation|
|power loss [W] for rated value of the current at AC in hot|3.3 W|
|operating state per pole|
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|**suitability for operation**
~~re~~|Residential buildings/infrastructure|Residential buildings/infrastructure|
|---|---|---|
|**Product details**|||
|**product feature touchprotection**|Yes||
|product component neutral conductor switching|No||
|**product feature halogen-free**|Yes||
|**product feature sealable**|Yes||
|**product feature silicon-free**|Yes||
|**product extension installable supplementary devices**
~~Oo~~|Yes
~~Oo~~||
|**Connections**|||
|**connectable conductor cross-section solid**|||
|● minimum|0.75 mm²||
|● maximum|25 mm²||
|**connectable conductor cross-section stranded**|||
|● minimum|0.75 mm²||
|● maximum|25 mm²||
|**connectable conductor cross-section finely stranded with**
**core endprocessing**|||
|● minimum|0.75 mm²||
|● maximum|25 mm²||
|**tightening torque with screw-type terminals**|||
|● minimum|2.5 N·m||
|● maximum|3 N·m||
|**Mechanical Design**
~~a~~|||
|**height**
~~a~~|90 mm||
|**width**|54 mm||
|**depth**|76 mm||
|**installation depth**|70 mm||
|**number of modular width units**|3||
|**mounting position**
~~OO~~|any
~~OO~~||
|**Net Weight**
~~OO~~|458.5g
~~OO~~||
|**Environmental conditions**|||
|**ambient temperature during operation**|||
|● minimum|-25 °C||
|● maximum|45 °C||
|**ambient temperature during storage**|||
|● minimum|-40 °C||
|● maximum|75 °C||
|**Approvals Certificates**
~~a~~|||
|**Environment**
~~a~~||**General Product Approval**
~~a~~|
**Further information** ~~Ps~~ **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=5SL6340-7
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Subject to change without notice © Copyright Siemens
6/3/2026
**Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/5SL6340-7 **Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)** https://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=5SL6340-7 **CAx-Online-Generator** https://www.siemens.com/cax
**Tender specifications** https://www.siemens.com/specifications
**Characteristic curves**
https://curves.simaris.siemens.com/curves/
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54 6,2 68,3
1
,
90
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## -F ~~4~~ **last modified:** 10/10/2025 ~~G~~ 5SL63407 Subject to change without notice Page 4/5 6/3/2026 © Copyright Siemens
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## Links
- [View this product on Novapart](https://novapart.co/products/5SL6340-7/circuit-breaker-mcb-5sl6-3p-6-ka-400-v-40-a)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/siemens/5sl6340-7/rcbo-rcd-gfci-afdd-circuit-breakers/dp/3475452)
---
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