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the ultimate safety system

Revolutionary. Simple.

The SAFEMASTER STS safety switch and key transfer system serves to monitor the moveable safety guards found on machines and installations. It combines the advantages of safety switches, guard locks, key transfer and command functions in a single system. The robust locking system made of stainless steel is also suitable for applications in rugged and extreme environmental conditions.

Modular. Flexible.

The building block system allows for flexible safety solutions adapted to the application – whether they are standalone solutions, complex system solutions, electrical, mechanical, or hybrid systems. The modular, expandable system reduces installation and maintenance work, since entrances and doors can be secured without any wiring.

Safe. Tested.

SAFEMASTER STS is tested and approved according to legal requirements, and as an individual system is suitable for use in safety applications up to cat. 4 / PL e in accordance with EN ISO 13849-1.


Economical. Sustainable.
SAFEMASTER STS allows you to design the most demanding safety concepts without wiring. This saves costs, power, effort and materials. Thanks to its stable stainless steel design and its exceptionally tough construction, the system is highly durable – even under the most extreme conditions. The components are long-lasting and recyclable. That makes this system a pioneer in terms of energy efficiency and environmental sustainability.