Description
SIEMENS 3SK1121-1CB41 Safety Relay – Basic Safety Switching Device
Compact and reliable basic safety switching device for machine safety applications.
| Brand | Siemens |
| Model | 3SK1121-1CB41 |
| Voltage | 24 V DC |
| Country of Origin | Germany |
| Weight | 0.2 kg |
| Dimensions | 45 x 100 x 80 mm |
| Warranty | 1 year |
| Certifications | CE, cULus, TÜV |
| SKU / MPN | 3SK1121-1CB41 |
| What’s in the box | Safety relay, mounting instructions |
| Safety Category | EN ISO 13849-1: PL e |
| Number of Safety Contacts | 2 NO |
| Response Time | < 20 ms |
| Operating Temperature | -25 to 60 °C |
| Housing Material | Plastic |
| Mounting Type | DIN rail |
Key benefits: Compact design, high safety integrity, easy wiring
Typical applications: Emergency stop circuits, safety gates, light curtains
Order number: SIEMENS 3SK1121-1CB41 Safety Relay – Basic Safety Switching Device
Lifecycle: Active
Documentation: Manual available on Siemens Industry Online Support
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Exact match for many brands
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Guaranteed for one full year
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David L. –
Tested the proximity switch, response time is spot on. Recommended for industrial use.