Logo JC-Electronics
Cookie Settings

To use these Services, we need your consent. By clicking on “Accept all”, you declare your consent to the use of all Services. You can also declare your consent by individually clicking on the sliders for each category of cookies and save.

Learn more arrow-right
Necessary cookies

Necessary cookies help make a website usable by enabling basic functions like page navigation and access to secure areas of the website. The website cannot function properly without these cookies.

Statistic cookies

Statistic cookies help website owners to understand how visitors interact with websites by collecting and reporting information anonymously.

Preferences cookies

Preference cookies enable a website to remember information that changes the way the website behaves or looks, like your preferred language or the region that you are in.

Marketing cookies

Marketing cookies are used to track visitors across websites. The intention is to display ads that are relevant and engaging for the individual user and thereby more valuable for publishers and third party advertisers.

We use our own cookies as well as third-party cookies on our websites to enhance your experience, analyze our traffic, and for security and marketing. Select "Accept All" to allow them to be used. Read our Cookie Policy.

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

Siemens 3SK1121-1AB40

SIRIUS safety relay Basic unit Advanced series Relay enabling…
Tell us what you need?

If this product is not available right now, our sourcing team can help find an alternative or create a special order for you.

Condition
Need more?

Need something we currently don't have available? Our sourcing team can help you find what you need

The SIRIUS Safety Relay Basic Unit from Siemens is part of the Advanced Series, designed to enhance the safety and reliability of your electrical installations. This robust relay enables circuits through its three normally open (NO) contacts and features a relay signaling circuit with one normally closed (NC) contact. With a compact size of 2.25 x 12.16 x 10.00 cm, it easily fits into tight spaces while maintaining high performance.

Operating at 24 V DC, this unit is equipped with screw terminals for easy installation and connectivity. The SIRIUS relay ensures that your machinery operates reliably, reducing the risk of downtime and improving operational efficiency. Whether you’re working on new installations or retrofitting existing systems, this safety relay is an essential component for compliance with industrial safety standards.

Choose the SIRIUS safety relay for its advanced functionality and proven durability, and ensure a dependable electrical safety solution for your business.

SIRIUS safety relay Basic unit Advanced series Relay enabling circuits 3 NO contacts plus Relay signaling circuit 1 NC contact Us = 24 V DC screw terminal
General
Manufacturer:
Siemens
Range:
Sirius
PLM
Product phase:
Active
Logistics
Dimensions:
2,25 x 12,16 x 10,00
Weight:
0.64lbs
Commodity Code:
85364900
ECCN number:
N
EAN:
4011209913585
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
-72%
Resource use minerals and metals
-95%
Water use
-83%
How do I order a product or repair online?
First, find your product in the webshop. On the product page, you can add the product or repair to your shopping cart. Then proceed to checkout. 
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. 
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. 
How much are transport costs?
Transport costs are usually included in the price. There are a few exceptions. Check the overview of all transport costs.