Siemens SIRIUS ACT 3SU10 2-position Key Switch Head, Latching, 22 mm Cutout 3SU1050-4BF01-0AA0

Siemens 3SU1050-4BF01-0AA0 SIRIUS ACT 2-position Key Switch Head is engineered for robust industrial applications requiring reliable manual control. This latching Key Switch Head fits into a 22 mm cutout and is constructed of shiny metal, designed to withstand harsh environments and provide long-lasting operation.

The switch head includes a patented holder design integrating twist prevention and a self-holding actuator feature, simplifying secure mounting and operation. It supports modular assembly with stackable contact modules to tailor the control setup.

Rated with IP66, IP67, and IP69K ingress protection, it is suitable for demanding environments where dust tightness and resistance to powerful water jets or high-pressure steam cleaning are necessary. The 90° angle of throw offers clear tactile feedback during key operation, enhancing usability in control panels and automation equipment.

This key switch set includes two Ronis type keys and boasts a mechanical life expectancy of 300,000 cycles, ensuring durability and reliability in frequent switching scenarios. It complies with prominent industrial standards such as IEC 60947-1 and IEC 60947-5-1 for safety and performance assurance.

Applications include industrial automation systems, electrical cabinets, machinery control panels, and environments requiring secure key-operated switching to prevent unauthorized access or inadvertent activation. Its sturdy metal construction and certified standards make it an ideal choice for manufacturing, water treatment, HVAC control, and other industrial sectors.

Constructed with a shiny metal actuator designed for rugged and extreme environments. Features a self-holding function and patented twist prevention design for reliable operation. Compatible with stackable contact modules allowing modular assembly.

IP66, IP67, and IP69K rated for high protection against dust and water ingress. Operates with a 90° angle of throw for intuitive key actuation. Includes two Ronis type keys and supports mechanical life of up to 300,000 cycles.

Meets international standards IEC 60947-1, IEC 60947-5-1, IEC 81346-2, IEC 60068-2 series, and IEC 60721. Designed for use in industrial automation, electrical control systems, and harsh conditions. Explore the extensive Siemens range of industrial switches and actuators at EnvMart, the trusted platform for professional and industrial-grade electrical components.