Siemens
- Available:
- 1 pc.In-StockUpdated at: 05-09-2026
- Offer from:
Trusted supplier — Austria, member since 2021, 1–4 employees- Warranty:
- 12 months
Need more information?
Call us at:+48 17 778 34 19
Siemens 3SK1211-2BB00
SIRIUS Safety Relay, 4RO, 4NO+1NC, 24VAC, Spring-Loaded
1 / 2
Manufacturer catalogue image
Product Description
RoHS CompliantLifecycle Status:
The SIRIUS Safety Relay Output Extension is a high-performance device designed for industrial automation applications. It offers 4 relay outputs (RO) with relay enabling circuits, providing seamless integration into your existing systems.
In addition to the relay outputs, this model also includes 4 normally open contacts (NO) and one normally closed contact (NC). These contacts are ideal for signaling and control purposes in various industrial environments.
The SIRIUS Safety Relay Output Extension is rated at 24 V AC, ensuring reliable operation under a wide range of voltage conditions. The spring-loaded connection design enhances durability and reduces the risk of loose connections over time.
Send Inquiry
Payment methods:
Offer details
- Best offer from:
Trusted supplier — Denmark, member since 2022, 20–49 employees- Availability:
- 1 pc.In-StockUpdated at: 14-07-2026
- Warranty:
- 12 months
- Condition:
- New Surplus
New Surplus - A new, unused, undamaged item without a manufacturer guarantee. The item may come without original packaging or in replacement packaging. If provided, the box may have been opened.
The Seller is responsible for shipping the product and invoicing
Specifications
- Brand
- Siemens
- Type of actuation
- AC
- Muting possible
- Approval for UL present
- Functional safety (SIL)
- SIL 3
- Feedback circuit present
- Stop Category acc. to IEC 60204
- 0
Available Offers
(5)
Siemens
- Available:
- 1 pc.In-StockUpdated at: 05-09-2026
- Offer from:
- Trusted supplier — Austria, member since 2021, 1–4 employees
- Warranty:
- 12 months
Siemens
- Available:
- 0 pcs.On RequestUpdated at: 04-09-2026
- Offer from:
Trusted supplier — Germany, member since 2024
Access our platform to find more offers
Register now to explore 36 mln offers from verified suppliers worldwide.
- Compare offers globally
- Direct supplier contact
- RFQs, Quotes, and Orders
- BOM Search
Sign UpFree 14-day trial available
Offer with manufacturer lead time
Directly from the manufacturer - with a confirmed, predictable, and fully transparent delivery time.
Documents
Data Sheet
Datasheet for Siemens 3SK1211-2BB00, including specifications and features.
Download Data Sheet
TracePartsCAD Models
3D CAD model and technical drawings, ready for your design software.
Download CAD Model
Related products
Siemens
SIRIUS safety relay basic unit advanced series with time delay 0.5-30 s electronic enabling circuits 2 NO instantaneous 2 NO delayed Us = 24 V DC Spring-type terminal (push-in)
Siemens
SIRIUS safety relay Basic unit Advanced series with time delay 5-300 s electronic enabling circuits 2 NO instantaneous 2 NO delayed Us = 24 V DC screw terminal
Siemens
SIRIUS safety relay standard series device electronic outputs 2 enabling circuits + 1 signaling circuit Us = 24 V DC spring-loaded terminal
Siemens
Expand your SIRIUS safety relay's output capabilities with this extension module featuring 4 relay outputs and enabling circuits, along with 4 normally open (NO) contacts and a relay signaling circuit.
Siemens
SIRIUS safety relay Basic unit Advanced series with time delay 0.5-30 s Relay enabling circuits 2 NO instantaneous 2 NO delayed Us = 24 V DC Spring-type terminal (push-in)
Siemens
SIRIUS safety relay Basic unit Standard series Relay enabling circuits 3 NO contacts plus Relay signaling circuit 1 NC contact Us = 110 - 240 V AC/DC 50/60 Hz screw terminal
Siemens
SIRIUS safety relay output expansion with relay enabling circuits for 4 NO contacts and relay signaling circuit for 1 NC contact Us = 110-240 V AC/DC screw terminal.
Siemens
SIRIUS safety relay Basic unit Advanced series electronic enabling circuits 1 enabling circuit 0.5 A Us = 24 V DC Spring-type terminal (push-in)
Siemens
SIRIUS safety relay Basic unit Advanced series with time delay 0.5-30 s Relay enabling circuits 2 NO instantaneous 2 NO delayed Us = 24 V DC screw terminal
Siemens
SIRIUS safety relay Basic unit Advanced series with time delay 5-300 s Relay enabling circuits 2 NO instantaneous 2 NO delayed Us = 24 V DC Spring-type terminal (push-in)
Siemens
SIRIUS safety relay Basic unit Standard series electronic enabling circuits 2 enabling circuits plus 1 signaling circuit Us = 24 V DC screw terminal
Market insights
Get real-time analytics and market data to optimize your purchasing decisions for this component and similar products
- 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
- Inventory optimization insights based on market supply trends