3SK1122-1AB40
The Siemens SIRIUS 3SK1122-1AB40 features a solid-state electronic output design, providing three sets of electronic enable circuits and one set of electronic signal circuits. It does not include a delay function, has a rated voltage of 24VDC, uses screw terminal wiring, and meets PLE, Cat.4 safety standards. It is suitable for general safety interlock circuits.
Product Positioning
The 3SK1122-1AB40 is the basic model of the SIRIUS 3SK1 series electronic safety relay. It does not have a time delay function and provides three electronic enable circuits with one signal circuit, making it suitable for standard safety interlocking applications.
Core Product Advantages and Features
Solid-state electronic output
Replacing mechanical contacts with semiconductor electronic circuits results in faster response times and the ability to switch at high frequencies.
3-Electron-Enabled Circuit
Provides 3 sets of electronic safety enable outputs, which can accommodate multiple safety loads.
1 set of electronic signal circuits
Additional electronic signal output can provide feedback on safety status for use by higher-level monitoring.
High security level certification
Compliant with ISO 13849-1 PL e, Cat.4 and IEC 62061/61508 SIL3 level
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