# Residual Current Unit, for 5SL4 Series Circuit Breaker

![Product image](https://novapart.co/image/farnell:3474937/)

**URL**: https://novapart.co/products/5SM2643-6/residual-current-unit-for-5sl4-series-circuit
**SKU**: 5SM2643-6
**Manufacturer**: SIEMENS
**Category**: Circuit Protection || Circuit Breakers || Circuit Breaker Accessories
**Price**: €57.5700
**Stock**: 10+

## Specifications

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

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3474937/)

**5SM2643-6** 

## **Data sheet** 

||RC unit for 5SL4, 4-pole, type A, In: 40 A, 300 mA, Un AC: 400 V|
|---|---|
|**Model**<br>~~a~~||
|**product brand name**<br>~~a~~|SENTRON<br>~~a~~|
|**product designation**|RCD-unit|
|**design of theproduct**|Instantaneous|
|**product type designation**|5SM2|
|**product version**|for 5SL4|
|**General technical data**||
|**number ofpoles**|4|
|**design ofpole**|4poles|
|**size of installation devices according to DIN 43880**|1|
|**touch protection against electrical shock according to EN**<br>**50274**|Finger and back-of-hand safe|
|**mechanical service life(operating cycles) typical**|10 000|
|**overvoltage category**|III|
|**degree of pollution**|2|
|**Voltage**||
|**type of voltage of the operating voltage**|AC|
|insulation voltage(Ui)rated value|460 V|
|surge voltage resistance rated value|4 000 V|
|**tripping fault current rated value**|300 mA|
|||
|**● operational current**||
|**— at 40 °C rated value**|37.2 A|
|— at 45 °C rated value|37.2 A|
|— at 50 °C rated value|36 A|
|— at 55 °C rated value|34.8 A|
|— at 60 °C rated value|34 A|
|— at 65 °C rated value|33.2 A|
|— at 70 °C rated value|32 A|
|**● operational current at AC rated value**|40 A|
|**residual current type**|A|
|**surge current resistance rated value**|1 kA|
|**supply voltage**||
|● at AC|400 V|
|● for testingequipment minimum<br>~~CO~~|195 V<br>|
|**value range of the supply voltage frequency**<br>~~CO~~|50 Hz<br>|
|**value range of the operating frequency**<br>~~CO~~|50 Hz<br>|
|**Protection class**<br>||
|**protection class IP**<br>|IP20, if the distribution board is installed, with connected conductors<br>|
|**protection function false tripping**<br>|Yes<br>|
|**Dissipation**<br>~~ry~~||
|**power loss[W]**<br>~~ry~~|~~ry~~|
|● for rated value of the current at AC in hot operating state<br>perpole|1.9 W|
|● maximum|5.7 W|
|**Product details**<br>~~a~~||
|**product feature OFF-delay time adjustable**<br>~~a~~|No<br>~~a~~|
|**product feature rated fault current adjustable**|No|
|**product feature sealable**|No|
|**Connections**||



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|**connectable conductor cross-section solid**||||||||
|---|---|---|---|---|---|---|---|
|● minimum|||1.5 mm²|||||
|● maximum|||25 mm²|||||
|**connectable conductor cross-section stranded**||||||||
|● minimum|||1.5 mm²|||||
|● maximum|||25 mm²|||||
|**tightening torque with screw-type terminals**||||||||
|● minimum|||2.5 N·m|||||
|● maximum<br>3 N·m<br>~~Ce~~||||||||
|**position of power supply cord**|||top or bottom|||||
|**Mechanical Design**||||||||
|**height**|||90 mm|||||
|**width**|||54 mm|||||
|**depth**|||70 mm|||||
|**installation depth**|||70 mm|||||
|**number of modular width units**|||3|||||
|**fastening method**|||DIN rail|||||
|**mounting position**<br>any<br>~~Sn~~||||||||
|**Net Weight**|||306g|||||
|**Environmental conditions**||||||||
|**ambient temperature during operation**||||||||
|● minimum|||-25 °C|||||
|● maximum|||45 °C|||||
|**ambient temperature during storage**||||||||
|● minimum|||-40 °C|||||
|● maximum|||75 °C|||||
|**number of test cycles for environmental testing according**||**number of test cycles for environmental testing according**|28|||||
|**to IEC 60068-2-30**||||||||
|**Certificates**<br>**reference code according to IEC 81346-2**<br>F<br>~~a~~||||||||
|**Approvals Certificates**<br>~~a~~||||||||
|**Environment**||**General Product Approval**||||||
|Environmental Con-<br>firmations<br>Environmental Con-<br>firmations<br>~~Oe~~|||||Miscellaneous<br>~~FA~~L|||
|**General Product Approval**||||**other**||**Dangerous goods**||
|Confirmation<br>~~—~~<br>CE||ER||Confirmation<br>Transport Information<br> ~~i~~ee~~e]~~||||
|**Further information**<br>~~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=5SM2643-6||||||||
|**Service&Support (Manuals, Certificates, Characteristics, FAQs,...)**||||||||
|https://support.industry.siemens.com/cs/ww/en/ps/5SM2643-6||||||||
|**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=5SM2643-6||||||||
|**CAx-Online-Generator**||||||||
|https://www.siemens.com/cax||||||||
|**Tender specifications**||||||||
|https://www.siemens.com/specifications||||||||
|**Characteristic curves**||||||||



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https://curves.simaris.siemens.com/curves/<mmp_prod_noCOMP="HAUPT"></mmp_prod__no> 

**last modified:** 

4/12/2025 

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## Links

- [View this product on Novapart](https://novapart.co/products/5SM2643-6/residual-current-unit-for-5sl4-series-circuit)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/siemens/5sm2643-6/circuit-breaker-accessories/dp/3474937)
---

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