# Fault Signal Contact, DPST-NO, 5SL, 5SY, 5SP Series MCB, 5SU1 Series RCBO & FI 5SV Series MCCB

![Product image](https://novapart.co/image/farnell:3556514/)

**URL**: https://novapart.co/products/5ST3021-2/fault-signal-contact-dpst-no-5sl-5sy-5sp-series
**SKU**: 5ST3021-2
**Manufacturer**: SIEMENS
**Category**: Circuit Protection || Circuit Breakers || Circuit Breaker Accessories
**Price**: €37.1300
**Stock**: 10+

## Specifications

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

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3556514/)

**5ST3021-2** 

**Data sheet** 

fault signal contact with test button 2 NO for miniature circuit breakers 5SL, 5SY, 5SP RCBO 5SU1, RCCB 5SV (required for 5SU1 handle coupler 5ST3805-1) 

|**Model**||
|---|---|
|**product brand name**|SENTRON|
|**product designation**|Fault signal contact|
|**design of theproduct**|Mountable|
|**design of theproduct factory mounted**|No|
|**electrical endurance(operating cycles) typical**|10 000|
|**Voltage**||
|insulation voltage rated value|440 V|
|**Current**||
|**operational current at DC rated value**|0.05 A|
|**Supply voltage**||
|**operating voltage**||
|● at AC rated value minimum|24 V|
|● at DC rated value minimum|24 V|
|**protection class IP**|IP20|
|**Control current**||
|type of voltage of control voltage|AC/DC|
|**Product details**||
|**product component**||
|**● fault signal contact**|Yes|
|● auxiliaryswitch|No|
|**number of fault signal contacts**|0|
|**number of NC contacts**|0|
|**number of NO contacts**|2|
|**number of CO contacts**|0|
|**product extension can be mounted**|Universal|
|**product extension**|Fault signal contact|
|**Connections**||
|**connectable conductor cross-section**||
|● minimum|0.5 mm²|
|● maximum|2.5 mm²|
|**AWG number as coded connectable conductor cross**||
|**section**||
|● minimum|24|
|● maximum|12|
|**tightening torque with screw-type terminals**||
|● maximum|1 N·m|
|**Mechanical Design**||



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|**height**||90 mm|90 mm||||
|---|---|---|---|---|---|---|
|**width**||9 mm|||||
|**depth**||70 mm|||||
|**number of modular width units**<br>1<br>~~OS~~|||||||
|**Net Weight**||71g|||||
|**Environmental conditions**|||||||
|**standard**||IEC/EN60947-5-1; IEC/EN62019; GB14048.5|||||
|**ambient temperature during operation**<br>● minimum<br>● maximum<br>ambient temperature duringstorage minimum<br>~~CS~~||-25 °C<br>55 °C<br>-40 °C|||||
|**Approvals Certificates**|||||||
|**Environment**||||**General Product Approval**|||
|Environmental Con-<br>firmations<br>Environmental Con-<br>firmations<br>~~_~~<br>~~—_~~|EPD||Miscellaneous<br> P~~D~~|||EAL|
|**General Product Approval**|||**other**|||**Railway**|
|Confirmation<br>~~—~~<br>Ce|es||||Confirmation<br>~~a~~|Special Test Certific-<br>ate|
|**Further information**<br>~~ee~~|||||||
|**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=5ST3021-2|||||||
|**Service&Support (Manuals, Certificates, Characteristics, FAQs,...)**|||||||
|https://support.industry.siemens.com/cs/ww/en/ps/5ST3021-2|||||||
|**Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)**|||||||
|https://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=5ST3021-2|||||||
|**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/5ST3021-2/fault-signal-contact-dpst-no-5sl-5sy-5sp-series)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/siemens/5st3021-2/circuit-breaker-accessories/dp/3556514)
---

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