Need more information?
Siemens 3SK2122-2AA10
SIRIUS Safety Relay Basic Unit 3SK2 Series
Product Description
The SIRIUS safety relay basic unit 3SK2 series is a versatile and reliable component in industrial automation systems. It offers multiple input and output configurations, including 20 F-DI, 4 F-DQ, and 2 DQ, with a 24V DC power supply. This device can be parameterized via the SIRIUS Safety ES, ensuring optimal performance and safety compliance.
The relay features a robust spring-type terminal design with a width of 45 mm, capable of handling up to SIL3 (IEC 61508) and performance level e (ISO 13849-1). It supports output expansions such as the 3SK1 and coupling relay 3RQ1, as well as fail-safe motor starters 3RM1 via device connector.
Need more information?
Offer details
- Offer from:
Trusted supplier — Romania, member since 2023, 1–4 employees - Availability:
- On requestLead time: 21 days
- Warranty:
- Not specified
- Condition:
- New Surplus
Specifications
- Brand
- Siemens
- EFDE0031
- Model
- Basic device
- With muting function
- With detachable clamps
- Rail mounting possible
- SIL according to IEC 61508
- 3
Available Offers
(7)| Condition | Availability | Supplier | Warranty | Action | |
|---|---|---|---|---|---|
| Condition New Surplus | Availability On requestLead time: 21 days | SupplierRomaniaTrusted supplier — member since 2023, 1–4 employees | Warranty Not specified | |
 | Condition New Surplus | Availability 1 pc. Updated at: 15-09-2026In-Stock | Supplier GermanyTrusted supplier — member since 2024 | Warranty 24 months | |
:fill(white):quality(80)/media/thumbor) | Condition New Factory Sealed | Availability 3 pcs. Updated at: 16-09-2026In-Stock | Supplier PolandTrusted supplier — member since 2023, 50–99 employees | Warranty 24 months | |
| Condition New Factory Sealed | Availability 1 pc. Updated at: 15-09-2026In-Stock | Supplier CroatiaTrusted supplier — member since 2023 | Warranty 12 months | |
 | Condition Used | Availability 1 pc. Updated at: 16-09-2026In-Stock | Supplier DenmarkTrusted supplier — member since 2022, 20–49 employees | Warranty 12 months | |
| Condition New Factory Sealed | Availability On requestLead time: 5 days | SupplierGermanyTrusted supplier — member since 2024 | Warranty Not specified |
Offer with manufacturer lead time
Directly from the manufacturer - with a confirmed, predictable, and fully transparent delivery time.
Documents
Data Sheet
Datasheet for Siemens 3SK2122-2AA10, including specifications and features.
CAD Models
3D CAD model and technical drawings, ready for your design software.
Product data updated: 22-08-2026
Related products
Market insights for 3SK2122-2AA10
Get real-time analytics and market data for 3SK2122-2AA10 and other products from the Contactors & Relays category to optimize your purchasing decisions
- Real-time stock availability data from 700 MRO distributors in Europe and USA
- Price analysis by condition (new, used, refurbished) with market median prices
- Critical component availability monitoring to prevent production downtime