Siemens SIRIUS Front-Mounted Auxiliary Contact Block, 1 NC, Size S0-S12
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Product Description
The Siemens 3RH1921-1CA01 is an auxiliary contact block that mounts to the front of a SIRIUS contactor across frame sizes S0 through S12. It provides one normally-closed contact for status feedback, interlocking, or auxiliary signalling in control circuits. Typical applications include motor starter panels, industrial control cabinets, and building services switchgear.
Technical Specifications
- Manufacturer part number (MPN)
- 3RH1921-1CA01
- EAN / GTIN
- 4011209281639
- HS code
- 8536.90
- Sales unit
- pcs
- Package quantity
- 20 pcs
- Contact configuration
- 1 NC
- Country of origin
- Germany
Standards & Compliance
- HS Code
- 8536.90
Cross References
- EAN 4011209281639
- SAP 1000046907
- Code 8836692
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 3RH1921-1CA01?
- 3RH1921-1CA01 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 3RH1921-1CA01.
- What is the HS code for 3RH1921-1CA01?
- The customs tariff (HS) code for 3RH1921-1CA01 is 8536.90.
- Who manufactures 3RH1921-1CA01?
- 3RH1921-1CA01 is a Siemens product in the Electrical Components range.
- Is a datasheet available for 3RH1921-1CA01?
- Yes — the 3RH1921-1CA01 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 3RH1921-1CA01?
- The minimum order quantity is 1.
- Is 3RH1921-1CA01 available?
- Yes — 3RH1921-1CA01 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).