Siemens
- Available:
- 5 pcs.In-StockUpdated at: 05-09-2026
- Offer from:
Trusted supplier — United Kingdom, member since 2023- Warranty:
- 12 months
Need more information?
Call us at:+48 17 778 34 19
Siemens 3SK1121-1CB42
SIRIUS Safety Relay Basic Unit Advanced Series with Time Delay 0.5-30s
1 / 1
Manufacturer catalogue image
Product Description
RoHS CompliantLifecycle Status:
The SIRIUS Safety Relay Basic Unit Advanced Series is a state-of-the-art relay designed to provide advanced safety features in various applications. This series offers time delay functionality ranging from 0.5 to 30 seconds, ensuring precise control over your system's operations. The relay enabling circuits are equipped with 2 instantaneous no contacts and 2 delayed no contacts, providing versatile options for different operational requirements. This unit operates at a voltage of 24 V DC and features screw terminals for easy installation.
The SIRIUS Safety Relay Basic Unit Advanced Series is an ideal choice for applications where safety and reliability are paramount. Its advanced features and robust design make it suitable for a wide range of industrial and automation systems. Whether you need to control power distribution, manage machine operations, or ensure safety in your system, this relay offers the performance and flexibility you require.
Send Inquiry
Payment methods:
Offer details
- Best offer from:
- Trusted supplier — United Kingdom, member since 2021
- Availability:
- 2 pcs.In-StockUpdated at: 31-10-2025
- Condition:
- New Factory Sealed
New Factory Sealed - A brand-new, unused, unopened, undamaged item in its original manufacturer-sealed packaging.
The Seller is responsible for shipping the product and invoicing
Specifications
- Brand
- Siemens
- Type of actuation
- DC
- Muting possible
- Start input present
- Design
- One and two channels
- Approval for UL present
- Feedback circuit present
Available Offers
(15)Siemens
- Available:
- 1 pc.In-StockUpdated at: 04-09-2026
- Offer from:
Trusted supplier — Germany, member since 2024- Warranty:
- 24 months
Siemens
- Available:
- 1 pc.In-StockUpdated at: 04-09-2026
- Offer from:
- Trusted supplier — Germany, member since 2024
- Warranty:
- 24 months
Access our platform to find more offers
Register now to explore 36 mln offers from verified suppliers worldwide.Including 11 more offers for this product.
- 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 3SK1121-1CB42, 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
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 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 Relay enabling circuits 3 NO contacts plus Relay signaling circuit 1 NC contact Us = 24 V DC screw terminal
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 Output expansion 4RO with relay enabling circuits 4 NO contacts plus Relay signaling circuit 1 NC contact Us = 24 V DC screw terminal
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
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