# Connecting Piece, Busbar System

![Product image](https://novapart.co/image/farnell:3492603/)

**URL**: https://novapart.co/products/8US1921-2BF00/connecting-piece-busbar-system
**SKU**: 8US1921-2BF00
**Manufacturer**: SIEMENS
**Category**: Automation & Process Control || Industrial Switches & Control Stations || Industrial Switch Accessories
**Price**: €12.2700
**Stock**: 10+

## Specifications

| Parameter | Value |
|---|---|
| Svhc | To Be Advised |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3492603/)

**8US1921-2BF00** 

**Data sheet** 

busbar system, accessory busbar center-to-center spacing 40, 60 mm busbar connection piece busbar thickness: 5.10 mm width: 12-20 mm length 55 mm 

~~ee~~ **Model product brand name** SENTRON ~~re~~ **product designation** Busbar connection piece **design of the product** Accessories **Supply voltage** operating voltage at AC rated value 690 V ~~ee~~ **Dissipation power loss [W]** 2.5 W **suitability for use** for busbars 12, 15, 20 x 5, 10 mm and mounting rails ~~a~~ **Connections tightening torque** ● maximum 12 N·m ~~ee~~ **Mechanical Design Net Weight** 190 g ~~ee~~ **Approvals Certificates Environment General Product Approval** Environmental ConEnvironmental ConConfirmation firmations firmations **Test Certificates other** ~~OO~~ Miscellaneous Confirmation ~~_~~ Miscellaneous QC PASS **Further information** ~~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=8US1921-2BF00 **Service&Support (Manuals, Certificates, Characteristics, FAQs,...)** https://support.industry.siemens.com/cs/ww/en/ps/8US1921-2BF00 **Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...)** 

8US19212BF00 Page 1/3 

Subject to change without notice © Copyright Siemens 

6/2/2026 

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

https://www.automation.siemens.com/bilddb/cax_en.aspx?mlfb=8US1921-2BF00 **CAx-Online-Generator** https://www.siemens.com/cax **Tender specifications** https://www.siemens.com/specifications **Characteristic curves** 

## 55 20 43 ~~Be~~ **last modified:** 4/11/2025 

8US19212BF00 Page 2/3 

Subject to change without notice © Copyright Siemens 

6/2/2026 

8US19212BF00 Page 3/3 

Subject to change without notice © Copyright Siemens 

6/2/2026 



## Links

- [View this product on Novapart](https://novapart.co/products/8US1921-2BF00/connecting-piece-busbar-system)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/siemens/8us1921-2bf00/control-gear-switch-gear/dp/3492603)
---

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