Safety is a SIRIUS business

Detecting, evaluating and reacting, - all from a single source

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Machines can be dangerous. Personnel need to be protected. At the same time, the profitability of a machine is also dependent on its availability. For these reasons, safety automation is always a serious subject. Which is why machine manufacturers need simple solutions for functionally reliable safety systems. Siemens is offering these solutions with its range of SIRIUS safety products.


The new safety relays facilitate the easy realization of safety functions such as Emergency-Stop or protective door monitoring. Their modular design ensures eased system planning, commissioning and expansion. Moreover, no programming knowledge is required: The safety relays can be simply parameterized via DIP switches. This ensures the protection of persons, environment and machine – and supports the rapid and easy realization of safe and productive systems.

SIRIUS is the name given to the range of industrial controls developed by Siemens - and includes everything you will need to efficiently create a standardized, cost effective safety sequence of simple safety functions: All the elements needed to detect, evaluate and react.

SIRIUS 3SK plays a central role in applications of this kind. With the new range of safety relays, implementation of local safety functions has never been easier.
The perfect interaction between safety relays, sensors and actuators makes it possible to create complete safety sequences that are not only exceptionally reliable, but also significantly faster, simpler and more economical.
SIRIUS 3SK Safety Relays are of course certified according to IEC 62061 (SIL 3) and EN ISO 13849-1 (PL e).


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With SIRIUS, we offer you a unique comprehensive portfolio for every industrial control application

The new safety relays facilitate the easy realization of safety functions such as Emergency-Stop or protective door monitoring. Their modular design ensures eased system planning, commissioning and expansion. Moreover, no programming knowledge is required: The safety relays can be simply parameterized via DIP switches. This ensures the protection of persons, environment and machine – and supports the rapid and easy realization of safe and productive systems.

Learn more about our safety products here:


SIRIUS_3SK_Safety_Relays

SIRIUS 3SK Safety Relays



SIRIUS_3RK3_Modular_Safety_System

SIRIUS 3RK3 Modular Safety System



SIRIUS_3TK28_Speed_and_standstill_monitors

SIRIUS 3TK28 speed and standstill monitors