Siemens SIRIUS ACT 3SU1000-5BF11-0AA0 2-position Key Switch Head, Latching, 22 mm Cutout

Siemens 3SU1000-5BF11-0AA0 SIRIUS ACT 2-position Key Switch Head is a high-quality electrical component designed with a 22 mm cutout diameter and latching switch operation.

Constructed from durable, high-grade plastic, this key switch head provides excellent resistance to harsh industrial environments and meets IP20 protection standards suitable for general protection against solid foreign objects.

Its self-holding actuator ensures stable switching positions, with a 90 degree angle of throw and two included keys enhancing secure operations. The design integrates twist prevention via a patented holder, enabling reliable safety and repeatable control functions.

This key switch head supports up to 1,000,000 mechanical actuation cycles, reflecting Siemens' commitment to extended product life and robust performance. It is compliant with global standards such as IEC 61508, IEC 60068, and EN 60947 for industrial electrical control devices.

Manufactured in the Czech Republic under Siemens' sustainable Better World initiative, this product benefits from environmentally responsible processes, ensuring low carbon footprint manufacturing.

Ideal for use in industrial automation, electrical control panels, and machinery requiring secure key-operated switching, this key switch head facilitates precise control and safety.

The key switch head operates with a self-holding latching function for reliable switching. It features a robust plastic actuator housing suitable for rugged industrial environments. The product supports a mechanical life of 1,000,000 cycles for long-term performance.

The cutout diameter is 22 mm, fitting standard mounting configurations. The key type is CES, and the switch operates with an IP20 rating, offering protection against solid objects. The actuator has a 90 degree angle of throw, operating with two keys included.

The switch head complies with IEC and EN international standards including IEC 61508 and IEC 60947 series. Designed and manufactured in the Czech Republic with sustainability focus, featuring low carbon manufacturing and extended product life.

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