3SK1121-2CB42
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New Sealed — New and unused, supplied in original manufacturer packaging.
New — New and unused. Original manufacturer packaging may be opened, missing or replaced.
Refurbished — Professionally inspected, tested and restored to full working condition.
Used — Previously used, inspected and tested as fully operational.
Condition: New Sealed
£174.00
Est. shipping: October 30 2026
View all options and prices (9)
| Condition | Warehouse | Stock | Price | |
|---|---|---|---|---|
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New Sealed
Full 24 months warranty Est. shipping: October 30 2026 |
WM66-3S | Enquire now | £174.00 | Add to Cart |
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New Sealed
Full 24 months warranty Est. shipping: October 23 2026 |
WM71-3S | Enquire now | £181.00 | Add to Cart |
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New Sealed
Full 24 months warranty Est. shipping: October 23 2026 |
WM92-3S | Enquire now | £195.00 | Add to Cart |
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New Sealed
Full 24 months warranty Est. shipping: October 23 2026 |
WM94-3S | Enquire now | £202.50 | Add to Cart |
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New Sealed
Full 24 months warranty Est. shipping: October 23 2026 |
WM85-3S | Enquire now | £212.50 | Add to Cart |
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New Sealed
Full 24 months warranty Est. shipping: December 08 2026 |
WM97-3S | Enquire now | £218.50 | Add to Cart |
|
New Sealed
Full 24 months warranty Est. shipping: October 06 2026 |
WM75-3S | Low stock | £251.00 | Add to Cart |
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New Sealed
Full 24 months warranty Est. shipping: October 02 2026 |
WM14-3S | Enquire now | - | Get Quote |
|
New Sealed
Full 24 months warranty Est. shipping: October 05 2026 |
WM44-3S | 10+ in stock | - | Get Quote |
Condition: New
Priced on Request
Est. shipping: October 02 2026
View all options and prices (4)
| Condition | Warehouse | Stock | Price | |
|---|---|---|---|---|
|
New
Full 12 months warranty Est. shipping: October 02 2026 |
WM14-3S | Enquire now | - | Get Quote |
|
New
Full 12 months warranty Est. shipping: October 05 2026 |
WM44-3S | 20+ in stock | - | Get Quote |
|
New
Full 12 months warranty Est. shipping: October 05 2026 |
WM61-3S | Enquire now | - | Get Quote |
|
New
Full 12 months warranty Est. shipping: October 09 2026 |
WM46-3S | Enquire now | - | Get Quote |
Condition: Used
Priced on Request
Est. shipping: October 02 2026
Product Overview:
The 3SK1121-2CB42 is a safety relay designed for monitoring safety functions in electrical systems. It features a 24 V DC power supply and includes four safety contacts, typically configured as normally open (NO). The relay supports advanced safety applications with configurable enabling circuits, including both instantaneous and delayed contacts, and incorporates a time delay ranging from 0.05 to 3 seconds or 0.5 to 30 seconds depending on the series. It is mounted on a DIN rail and suitable for use in safety-related control circuits requiring reliable monitoring and switching of safety devices.
Full 12 months warranty
Siemens is a global leader in industrial automation, digitalisation, and electrification, offering products such as PLCs, drives, industrial robots, and process control systems. Known for innovation and sustainability, Siemens’ technologies enhance efficiency, safety, and performance across industries like manufacturing, energy, and healthcare.
***CJS Automation is NOT an authorised distributor of Siemens***
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