Siemens SIRIUS 3RH1921-1KA11 Side Auxiliary Contact Block 1NO+1NC, S3-S12
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Product Description
Siemens 3RH1921-1KA11 is a lateral auxiliary contact block for SIRIUS contactors of frame sizes S3 through S12. It adds one normally-open and one normally-closed auxiliary contact, mounted on the side of the main contactor for status signalling and interlocking in control circuits. The block clips directly onto the contactor without additional tools.
Technical Specifications
- Manufacturer part number (MPN)
- 3RH1921-1KA11
- EAN / GTIN
- 4011209293557
- HS code
- 8536.90
- Sales unit
- pcs
- Contact configuration
- 1 NO + 1 NC
- Frame size
- S3
- Country of origin
- Germany
Standards & Compliance
- HS Code
- 8536.90
Cross References
- EAN 4011209293557
- SAP 1000038609
- Code 8744797
Product Documentation
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Technical guides
Catalogue entry last verified: 2026-09-30. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy 3RH1921-1KA11?
- 3RH1921-1KA11 can be ordered from cballast.com as a Siemens catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this Siemens product?
- The manufacturer part number is 3RH1921-1KA11.
- What is the HS code for 3RH1921-1KA11?
- The customs tariff (HS) code for 3RH1921-1KA11 is 8536.90.
- Who manufactures 3RH1921-1KA11?
- 3RH1921-1KA11 is a Siemens product in the Electrical Components range.
- Is a datasheet available for 3RH1921-1KA11?
- Yes — the 3RH1921-1KA11 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 3RH1921-1KA11?
- The minimum order quantity is 1.
- Is 3RH1921-1KA11 available?
- Yes — 3RH1921-1KA11 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).