Expandable, Modular Safety System

The Sirius 3RK3 modular safety system combines the simplicity of a safety relay with the sophistication of a fail-safe programmable logic controller (PLC).

May 6th, 2009
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The Sirius 3RK3 allows operators to quickly and easily replace devices as necessary or expand the system as needed. The system’s central unit is designed with eight safety-related inputs, one safety-related relay output, and one safety-related solid-state output. Users can connect up to seven expansion modules to the central unit. Expansion modules include safety-oriented input modules, mixed modules with safe inputs and relay or electronic outputs, and standard output modules. The Sirius 3RK3 is certified for use in safety applications to Cat 4 in accordance with EN954-1, and SIL3 in accordance with IEC 61508/62061.

Siemens Energy & Automation Inc.
www.sea.siemens.com
800.241.4463

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