The modular safety relay Siemens 3SK1121-1CB44 is part of the SIMATIC Safety system, designed to perform safety functions in industrial automation systems. This device provides a high level of safety for operators and equipment by monitoring and controlling various aspects of production processes.
Key characteristics:
- Device type:safety relay
- Manufacturer: Siemens
- Model: 3SK1121-1CB44
- Number of channels: 3 safe inputs, 1 safe output
- Rated voltage: 24 V DC
- Safety features:Emergency stop, security door lock monitoring, speed monitoring
- Interfaces: Connection to SIMATIC bus and expandable via additional modules
- Certification: CE, TÜV, complies with EN ISO 13849-1 and IEC 62061
- Temperature range: From -25 to +55 degrees Celsius
- Protection level:IP20
- Installation:DIN rail installation
Advantages:
- High level of safety:Reliable performance of safety functions to protect personnel and equipment.
- Flexibility: The modular structure allows the device to be easily adapted to specific industrial safety requirements.
- Easy integration:Easily integrated into existing systems thanks to standard interfaces and modular expansion.
- Ease of use:Easy setup and DIN rail mounting reduces installation and maintenance time.
- Reliability: Designed and manufactured in accordance with international safety standards.
Application:The Siemens 3SK1121-1CB44 safety relay is widely used in automated manufacturing systems such as mechanical engineering, assembly line automation and other applications where reliable protection of operators and equipment is required. This module is suitable for the implementation of complex safety systems, ensuring efficient and safe process control.






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