# Circuit Breaker Accessory, 160A, 31.2mm, Siemens LS 5SJ4xxxHG Circuit Breakers, Connecting Terminal

![Product image](https://novapart.co/image/farnell:4008206/)

**URL**: https://novapart.co/products/5ST3666-2HG/circuit-breaker-accessory-160a-312mm-siemens-ls
**SKU**: 5ST3666-2HG
**Manufacturer**: SIEMENS
**Category**: Circuit Protection || Circuit Breakers || Circuit Breaker Accessories
**Price**: €10.7300
**Stock**: 10+
**Lead Time**: 113 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (08-Jul-2021) |
| For Use With | Siemens LS 5SJ4xxxHG Circuit Breakers |
| Product Range | SENTRON Series |
| Accessory Type | Connecting Terminal |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4008206/)

**5ST3666-2HG** 

**Data sheet** 

Connecting terminal, 50 mm2 according to UL 489, 480Y/277V for LS 5SJ4...-.HG Infeed busbar 

|**Model**<br>**product brand name**<br>SENTRON<br>**product designation**<br>Connectingterminal<br>~~ee~~|**Model**<br>**product brand name**<br>SENTRON<br>**product designation**<br>Connectingterminal<br>~~ee~~|**Model**<br>**product brand name**<br>SENTRON<br>**product designation**<br>Connectingterminal<br>~~ee~~|**Model**<br>**product brand name**<br>SENTRON<br>**product designation**<br>Connectingterminal<br>~~ee~~|
|---|---|---|---|
|**design of the product**||50 mm², acc. to UL 489, 480Y/277 V for MCBs 5SJ4...-.HG infeed busbar||
|**Supply voltage**||||
|operatingvoltage at AC rated value||1 000 V||
|**Connections**<br>~~a~~||||
|**tightening torque**||||
|● minimum||2 N·m||
|● maximum||3.5 N·m||
|type of connectable conductor cross-sections for copper|type of connectable conductor cross-sections for copper|2.5 - 50 mm²||
|conductor stranded||||
|**Mechanical Design**<br>~~ee~~||||
|**height**||51 mm||
|**width**||17.75 mm||
|**length**<br>31.2 mm<br>~~BO~~||||
|**Net Weight**||34g||
|**Approvals Certificates**||||
|**Environment**|**General Product Approval**|||
|Environmental Con-<br>firmations<br>Environmental Con-<br>firmations<br>~~—~~|AY||Miscellaneous<br>~~ER~~T|
|**General Product Approval**||**other**||
|Confirmation<br>**Further information**<br>**Information on the packaging**<br>~~~~~~<br>Ce<br>~~a~~|Confirmation<br>B~~RO~~|||
|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=5ST3666-2HG||||



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Subject to change without notice © Copyright Siemens 

6/2/2026 

**Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/5ST3666-2HG 

**Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)** https://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=5ST3666-2HG **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> 

5ST36662HG Page 2/5 

Subject to change without notice © Copyright Siemens 

6/2/2026 

**last modified:** 

4/11/2025 

5ST36662HG Page 3/5 

Subject to change without notice © Copyright Siemens 

6/2/2026 

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Subject to change without notice © Copyright Siemens 

6/2/2026 

5ST36662HG Page 5/5 

Subject to change without notice © Copyright Siemens 

6/2/2026 



## Links

- [View this product on Novapart](https://novapart.co/products/5ST3666-2HG/circuit-breaker-accessory-160a-312mm-siemens-ls)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/siemens/5st3666-2hg/connecting-terminal-160a-ckt-breaker/dp/4008206)
---

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