# Auxiliary Current Switch, 1 CO, 5SL, 5SY, 5SP Series MCB, 5SU1 Series RCBO & RC 5SV Series MCCB
**URL**: https://novapart.co/products/5ST3016/auxiliary-current-switch-1-co-5sl-5sy-5sp-series
**SKU**: 5ST3016
**Manufacturer**: SIEMENS
**Category**: Circuit Protection || Circuit Breakers || Circuit Breaker Accessories
**Price**: €21.2300
**Stock**: 10+
## Specifications
| Parameter | Value |
|---|---|
| Product Range | SENTRON Series |
## Datasheet
📄 [Download PDF](https://novapart.co/datasheet/farnell:3556508/)
**5ST3016**
**Data sheet**
auxiliary switch 1 CO for miniature circuit breakers 5SL, 5SY, 5SP, incorporated switch 5TL1, RCBO 5SU1 (without 5SU1…FP/FR), RCCB 5SV (for 5SU1, handle coupler 5ST3805-1 is required)
|y
bad|auxiliary switch 1 CO for miniature circuit breakers 5SL, 5SY, 5SP, incorporated
switch 5TL1, RCBO 5SU1 (without 5SU1…FP/FR), RCCB 5SV (for 5SU1, handle
coupler 5ST3805-1 is required)|
|---|---|
|**Model**
~~ee~~||
|**product brand name**
~~ee~~|SENTRON
~~ee~~|
|**product designation**|auxiliaryswitches|
|**design of theproduct**|Mountable|
|**design of theproduct factory mounted**|No|
|**electrical endurance(operating cycles) typical**|10 000|
|**Voltage**
~~re~~||
|insulation voltage rated value
~~re~~|440 V
~~re~~|
|surge voltage resistance rated value|4 kV|
|**Supply voltage**
~~ee~~||
|**supply voltage at DC rated value**
~~ee~~|~~ee~~|
|● minimum|5 V|
|**operating voltage**||
|● rated value|30 V|
|● at AC rated value minimum|12 V|
|● at DC rated value minimum|12 V|
|**protection class IP**|IP20|
|**Control current**
~~a~~||
|type of voltage of control voltage
~~a~~|AC/DC
~~a~~|
|**Product details**
~~re~~||
|**product component**
~~re~~|~~re~~|
|● auxiliaryswitch|Yes|
|**number of fault signal contacts**|0|
|**number of NC contacts**|0|
|**number of NO contacts**|0|
|**number of CO contacts**|1|
|**product extension can be mounted**|Universal|
|**product extension**|auxiliaryswitch|
|product function test function for fault current trip|No|
|**Connections**
~~a~~||
|**connectable conductor cross-section**
~~a~~|~~a~~|
|● 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|0.5 N·m|
5ST3016 Page 1/5
Subject to change without notice © Copyright Siemens
6/2/2026
~~ee~~ **Mechanical Design height** 90 mm **width** 9 mm **depth** 70 mm **number of modular width units** 1 **Net Weight** 54 g **Environmental conditions** ~~ee~~ **standard** IEC/EN60947-5-1; IEC/EN62019 **ambient temperature during operation** ● minimum -25 °C ● maximum 55 °C ambient temperature during storage minimum -40 °C ~~ee~~ **Approvals Certificates Environment General Product Approval** Environmental ConEnvironmental Confirmations firmations ~~=~~ ~ re ~~——=__~~ re «&) A. EPD EPD cit **General Product Approval** a ~~—~~ Miscellaneous ~~—~~ Confirmation UK EAL Cf cA **Maritime application other Railway** Confirmation Miscellaneous Special Test Certificate Toys ~~——_~~ |[Fa88®)]
~~e~~ **Further information** ~~e~~ **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=5ST3016 **Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/5ST3016 **Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)** https://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=5ST3016 **CAx-Online-Generator** https://www.siemens.com/cax **Tender specifications** https://www.siemens.com/specifications **Characteristic curves** https://curves.simaris.siemens.com/curves/
5ST3016 Page 2/5
Subject to change without notice © Copyright Siemens
6/2/2026
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5ST3016 Page 3/5
Subject to change without notice © Copyright Siemens
6/2/2026
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5ST3016 Page 4/5
Subject to change without notice © Copyright Siemens
6/2/2026
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Subject to change without notice © Copyright Siemens
6/2/2026
## Links
- [View this product on Novapart](https://novapart.co/products/5ST3016/auxiliary-current-switch-1-co-5sl-5sy-5sp-series)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/siemens/5st3016/circuit-breaker-accessories/dp/3556508)
---
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