# Fault Signal Contact, SPST-NO/NC, 5SL, 5SY, 5SP Series MCB, 5SU1 Series RCBO & FI 5SV Series MCCB
**URL**: https://novapart.co/products/5ST3020/fault-signal-contact-spst-no-nc-5sl-5sy-5sp-series
**SKU**: 5ST3020
**Manufacturer**: SIEMENS
**Category**: Circuit Protection || Circuit Breakers || Circuit Breaker Accessories
**Price**: €31.9300
**Stock**: 10+
## Specifications
| Parameter | Value |
|---|---|
| Product Range | SENTRON Series |
## Datasheet
📄 [Download PDF](https://novapart.co/datasheet/farnell:3556509/)
**5ST3020**
**Data sheet**
Fault signal contact 1 NO+1 NC, for miniature circuit breaker 5SL, 5SY, 5SP RCBO 5SU1, FI 5SV (for 5SU1 handle coupler 5ST3805-1 is required)
||Fault signal contact 1 NO+1 NC, for miniature circuit breaker 5SL, 5SY, 5SP
RCBO 5SU1, FI 5SV (for 5SU1 handle coupler 5ST3805-1 is required)|
|---|---|
|**Model**||
|**product brand name**|SENTRON|
|**product designation**|Fault signal contact|
|**design of theproduct**
~~Oe~~|Mountable
~~Oe~~|
|**design of theproduct factory mounted**
~~Oe~~|No
~~Oe~~|
|**electrical endurance(operating cycles) typical**
~~Oe~~|10 000
~~Oe~~|
|**Voltage**||
|insulation voltage rated value|440 V|
|surge voltage resistance rated value|4 kV|
|**Current**
~~|~~||
|**operational current at DC rated value**
~~|~~|0.01 A
~~|~~|
|**Supply voltage**
~~eee~~||
|**supply voltage at DC rated value**
~~eee~~|~~eee~~|
|● minimum|12 V|
|**operating voltage**||
|● rated value|400 V|
|● at AC rated value minimum
~~BC~~|12 V
|
|● at DC rated value minimum
~~BC~~|12 V
|
|**protection class IP**
~~BC~~|IP20
|
|**Control current**
||
|type of voltage of control voltage
|AC/DC
|
|**Product details**
~~eee~~||
|**product component**
~~eee~~|~~eee~~|
|**● fault signal contact**|Yes|
|**number of fault signal contacts**|1|
|**number of NC contacts**|1|
|**number of NO contacts**|1|
|**number of CO contacts**
~~Oc~~|0
~~Oc~~|
|**product extension can be mounted**
~~Oc~~|Universal
~~Oc~~|
|**product extension**
~~Oc~~|Fault signal contact
~~Oc~~|
|**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**||
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6/4/2026
|● maximum||||0.5 N·m|0.5 N·m|||
|---|---|---|---|---|---|---|---|
|**Mechanical Design**
~~Pe~~||||||||
|**height**||||90 mm||||
|**width**||||9 mm||||
|**depth**||||70 mm||||
|**number of modular width units**||||1||||
|**Net Weight**||||58g||||
|**Environmental conditions**
~~Pe~~||||||||
|**standard**||||IEC/EN60947-5-1; IEC/EN62019||||
|**ambient temperature durin**|**erature during operation**|||||||
|● minimum||||-25 °C||||
|● maximum||||55 °C||||
|ambient temperature duringstora||storage minimum||-40 °C||||
|**Approvals Certificates**
~~a~~||||||||
|**Environment**||||||**General Product Approval**||
|Environmental Con-|Environmental Con-|||||||
|firmations
~~a~~|~~a~~|firmations
~~a~~
~~a~~|~~a~~
EPD|~~a~~|~~a~~
EPD|~~a~~|~~a~~
me|
|**General Product Approval**||||||||
|||Miscellaneous
~~—~~|fil||Confirmation
~~~~~|ce|UK|
|**General Product Ap-**
**proval**|**Maritime application**||||**other**|||
||||be
ust||Confirmation
~~—~~|([FRae)|Miscellaneous
~~——~~|
|**Railway**||||||||
|Special Test Certific-||||||||
|ate||||||||
~~P~~ **Further information** ~~s~~ **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=5ST3020 **Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/5ST3020 **Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)** https://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=5ST3020 **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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## Links
- [View this product on Novapart](https://novapart.co/products/5ST3020/fault-signal-contact-spst-no-nc-5sl-5sy-5sp-series)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/siemens/5st3020/circuit-breaker-accessories/dp/3556509)
---
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