8US1921-2AC00

**8US1921-2AC00** 

**Data sheet** 

busbar system, accessory busbar center-to-center spacing 40, 60 mm connection terminal busbar thickness: 5 mm 16-120 mm2 

|**Model**<br>~~|~~|**Model**<br>~~|~~|**Model**<br>~~|~~|**Model**<br>~~|~~|**Model**<br>~~|~~|
|---|---|---|---|---|
|**product brand name**||SENTRON|||
|**product designation**<br>~~re~~||Connectingterminal|||
|**design of the product**||Accessories|||
|**Supply voltage**|||||
|operatingvoltage at AC rated value||690 V|||
|**Dissipation**<br>~~|~~|||||
|**power loss[W]**||0 W|||
|**suitability for use**||for busbars 12, 15, 20, 25, 30 x 5 mm and mountin|for busbars 12, 15, 20, 25, 30 x 5 mm and mountingrails||
|**according UL**<br>~~|~~|||||
|**operational current according to UL 508 rated value**||255 A|||
|**Connections**<br>~~|~~|||||
|**type of connectable conductor cross-sections for AWG**||AWG 4MCM250|||
|**cables**|||||
|type of connectable conductor cross-sections for copper||16-120 mm²|||
|conductor stranded|||||
|**type of connectable conductor cross-sections of the**||4x15.5x0.8 mm or 6x15.5x0.8 mm or 10x15.5x0.5 mm|||
|**laminated conductor rails**|||||
|**Mechanical Design**<br>~~|~~|||||
|**Net Weight**||105g|||
|**Approvals Certificates**<br>~~ee~~|||||
|**Environment**<br>**General Product Approval**||**General Product Approval**|||
|Environmental Con-<br>firmations<br>Environmental Con-<br>firmations<br>~~ee~~|||||Confirmation|
|**General Product Approval**<br>**Test Certificates**||**other**|||
|Miscellaneous<br>Miscellaneous<br>Confirmation<br>**Further information**<br>**Information on the packaging**<br>Cc ~~ch”~~<br>~~OO~~<br>~~—CsSCSC“‘SCNC;C:CC;C;C‘iéC~~|||||
|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,…)**|||||



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## https://www.siemens.com/lowvoltage/catalogs 

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**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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**last modified:** 

5/22/2025 

8US19212AC00 Page 2/3 

Subject to change without notice © Copyright Siemens 

6/2/2026 

8US19212AC00 Page 3/3 

Subject to change without notice © Copyright Siemens 

6/2/2026