SJR/S 4.24.2.1 ABB Shutter Actuator 4-Fold 24 V DC with Position and Protection Logic for Professional Facade KNX

The SJR/S 4.24.2.1 is a high-performance modular component of the ABB i-bus® KNX building automation system, engineered to deliver exceptional reliability, energy efficiency, and operational scalability for modern intelligent infrastructure.

As part of the globally recognized KNX Module range, this device represents the integration of advanced engineering standards with high-durability hardware, ensuring seamless coordination of critical building services such as lighting control, climate management, and system monitoring.

Engineered for DIN-rail or decentralized installation, the SJR/S 4.24.2.1 enables building operators to implement modular control architectures that reduce energy overhead and enhance occupant comfort. Built with sustainable, halogen-free materials and future-ready firmware, this device is a fundamental building block for high-performance infrastructure projects targeting LEED, WELL, and Green Premium certifications.

It is specifically engineered for 24/7 mission-critical operations in high-end commercial, hospitality, and residential environments.

The SJR/S 4.24.2.1 manages 24V DC architectural blinds. It coordinates with weather stations to adjust slat angles for solar gain reduction while protecting motors from wind damage.