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heroicons/solid/check Over 300,000 products in stock
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heroicons/solid/check New & refurbished 2 years warranty

Siemens 3RH1921-1CA10

auxiliary switch on front, 1 make contac
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3RH1921-1CA10
3RH1921-1CA10 New factory sealed
99 In Stock | Expected within 5 weeks
€2.10 (Excl. Tax)
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Need something we currently don't have available? Our sourcing team can help you find what you need

The Siemens SIRIUS 3RH1921-1CA10 auxiliary switch block is a front-mounted auxiliary contact for 3RT1 contactors. Equipped with 1 NO contact and screw connection, it provides a reliable solution for signalling, interlocking and control circuit expansion in industrial switching applications.

This auxiliary switch block is designed for dependable integration in control panels, switchgear assemblies and machine building environments where clear contact indication and consistent switching performance are essential.
Its compact design supports quick installation on the front of the contactor, helping to save panel space and simplify service work.

As an original Siemens component from the SIRIUS range, the 3RH1921-1CA10 is a strong choice for OEMs, panel builders and maintenance professionals looking for a high-quality auxiliary contact block for new installations, retrofits and replacement projects.

auxiliary switch on front, 1 make contact, screw connection, for contactors 3RT1
General
Manufacturer:
Siemens
Range:
Sirius
PLM
Product phase:
Active
Logistics
Dimensions (cm):
11,40 x 4,70 x 5,50
Weight:
0.02kg
Commodity Code:
85364900
Export Control Regulations (ECCN):
N
EAN:
4011209281332
When you choose JCertified refurbished electronics, you save on water, raw materials, and CO₂ needed for the production of new electronics. Check below to see exactly how much you save with this specific refurbished product:
CO2 eq
-63%
Resource use minerals and metals
-89%
Water use
-57%
Why should I choose JC-Electronics?
You can rely on a stock of 300,000 pieces of industrial electronics from leading top-quality brands, both new and refurbished. Therefore, you can also find drives, PLCs, HMIs, and industrial PCs that are no longer produced with us. You always get a 2-year warranty. Additionally, refurbished products are circular, helping you reduce your ecological footprint.  Good to know: New products and tested refurbished products ordered before 16:00 CET are shipped the same day.
Why can I trust refurbished electronics from JC-Electronics?
All products are thoroughly cleaned, defects are repaired, and weak elements are proactively replaced. If they pass the endurance test, the products can be sold. You can recognize them by the JCertified warranty seal. The entire process has received the RecQ quality mark from DEKRA and the ISO14001:2015 certificate
How much warranty do I get on a product?
You always get a 2-year warranty on products, both refurbished and new. This is twice as much as the standard factory warranty from many manufacturers.
Are all products available from stock immediately?
New and tested refurbished products from our stock are always available immediately. Untested and non-refurbished products undergo a thorough refurbishment and an extensive testing procedure before shipment.
Can I order products urgently?
Yes, you can. New and refurbished products that are ready for shipment will be dispatched the same day if the order is received before 16:00 CET. An express shipment to the Netherlands, Belgium, Luxembourg, Germany, Austria, Switzerland, France, or Italy will arrive the next day. An express shipment to other countries in the European Union takes 2 days. An express shipment to countries outside the European Union takes 3 days. 
Can I have products repaired urgently?
 Yes, you can. With an urgent repair, your product will be repaired within 3 working days. Contact the Sales team via [email protected] for this.
Can I buy on account at JC-Electronics?
Yes, under certain conditions. Contact the Sales team via [email protected] for more information.
Why should I buy refurbished electronics?
There are several reasons to purchase a refurbished product. For example, because electronics are no longer made and are hard to get new. But also because refurbished is a sustainable choice, reducing your organization's ecological footprint. Whatever the reason, you always get a 2-year warranty on both refurbished and new electronics at JC-Electronics. 
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