Siemens SIRIUS ACT 3SU10 3-position Key Switch Head, Latching, 22 mm Cutout 3SU1000-4BL11-0AA0

Siemens 3SU1000-4BL11-0AA0 is a 3-position key switch head from the SIRIUS ACT 3SU10 series designed for precise control in various industrial, automation, and electrical applications. It features a latching switch operation mechanism and fits a 22 mm cutout diameter, making it suitable for compact and ergonomic panel integration.

The switch head uses Ronis type keys, supplied with 2 keys, providing secure operation and ensuring restricted access as needed. It has a 45-degree angle of throw, facilitating easy and reliable usage.

This robust switch head is constructed using high-grade IP20 rated plastic material, offering protection against medium mechanical impact and limited ingress of solid objects, suitable for typical indoor industrial environments. It is rigorously tested to meet international standards including IEC 60721 and IEC 60068-2 series for shock, vibration, and climatic conditions, as well as EN 61373 and IEC 81346-2 for electrical and mechanical performance.

Designed with a mechanical life expectancy of one million operational cycles, the device ensures long-term reliability and durability. Its patented holder design incorporates twist prevention and a self-holding function when mounted, simplifying installation without requiring special tools. The switch head's modular design supports stackable contact modules, enabling flexible configuration to meet specific operational needs.

This product is made in the Czech Republic under Siemens’ Better World initiative, promoting extended product life and low carbon manufacturing practices to support sustainable industrial operations.

The key switch head supports 3 positions for precise control. Features Ronis-type keys with 2 keys supplied. Latching operation delivers secure switch functionality. Designed for 22 mm panel cutouts. Endures one million mechanical cycles for durability.

IP20 rating ensures protection in standard indoor environments. Complies with international electrical and mechanical standards. Constructed from rugged high-grade plastic material. Includes patented features for twist prevention and easy installation.

Supports stackable contact modules for custom configurations.

This Siemens key switch head is widely used across electrical automation, industrial control panels, machinery safety systems, and manufacturing process controls, making it an ideal choice for demanding industrial and commercial applications requiring secure, reliable switch heads.

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