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 3TK2828-1AB20

SIRIUS SAFETY RELAY WITH RELAY RELEASE CIRCUITS (RC), AC 24V
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 Siemens SIRIUS safety relay 3TK2828-1AB20 is a proven solution for monitoring safety circuits in industrial automation and machine safety applications. Designed for AC 24 V operation, this safety relay features relay release circuits (RC) with both instant and time-delayed outputs, ensuring reliable control of safety functions in accordance with applicable standards.


This basic device is equipped with screw terminals and a compact 45 mm housing, making it suitable for control cabinets where space efficiency and secure wiring are essential. The relay provides two normally open instant contacts, two normally open delayed contacts with an adjustable delay from 0.5 to 30 seconds, and one normally closed monitoring contact. Autostart functionality supports straightforward integration into existing safety concepts.


The SIRIUS safety relay achieves a maximum safety integrity level of SIL 3 / SIL 2 and Performance Level PL e / d, making it appropriate for a wide range of safety-related applications. Please note that this product is phased out and is recommended for use in existing installations, maintenance, or replacement scenarios. As part of the Siemens SIRIUS range, it reflects robust German engineering and long-term reliability for professional electrical and industrial environments.

SIRIUS SAFETY RELAY WITH RELAY RELEASE CIRCUITS (RC), AC 24V, 45.0MM, SCREW TERMINAL, RC INSTANT.: 2NO, RC DELAYED: 2NO 0.5...30S, MC: 1NC, AUTOSTART, BASIC DEVICE, MAX. ACHIEVABLE SIL: 3/2, PL: E/D
General
Manufacturer:
Siemens
Range:
Sirius
Type of product:
Relays
PLM
Product phase:
Phase-Out
Logistics
Dimensions (cm):
4,48 x 12,00 x 13,85
Weight:
0.45kg
Commodity Code:
85364900
Export Control Regulations (ECCN):
N
EAN:
4011209447219
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%
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 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.
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.