SIRIUS 3SK Safety Relay
Modular safety relays for simplified planning, commissioning and expansion.
5
Features
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Applications
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Benefits
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More from SiemensDocumentation & Resources
SIRIUS Application Manual
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3SK1 Manual
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3SK2 Manual
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SIRIUS Simulation Software
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Key Features
Technical specifications and capabilities
- SIRIUS 3SK safety relays are the key elements of a consistent, cost-effective safety chain for EMERGENCY STOP functionality, protective door monitoring, light arrays, laser scanners or the protection of presses or punches
- Approved for applications up to SIL 3 according to IEC 62061 or PL e according to ISO 13849-1
- The 3SK1 Standard basic unit is a two-channel, electromechanically operated safety relay, with the Advanced device series comprising of basic devices and input and output expansions, with the possibility to connect devices by means of a 3ZY12 device connector*
- The 3SK2 basic units allow for advanced functionality as it is electronically operated and parameterizable, with the 22.5mm version permitting 10 x 1-channel (5 x 2-channel) inputs, and a further 20 x 1-channel (10 x 2-channel) inputs for the 45mm version