ABZ/S 2.1 ABB Clock and Time Receiver Interface for Precise System-Wide Time Synchronization and Scheduling

The ABZ/S 2.1 is a professional-grade 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 System Components range, this device represents the integration of advanced engineering standards with high-durability hardware, ensuring seamless coordination across diverse building services including lighting, HVAC, and system monitoring.

Designed for modular or decentralized installation, the ABZ/S 2.1 facilitates flexible control architectures that reduce energy overhead and enhance occupant comfort. Built with sustainable materials and future-ready technology, this device is a foundational building block for high-performance infrastructure standards such as LEED, WELL, and Green Premium.

It is specifically engineered for 24/7 mission-critical operations in high-end commercial office towers, healthcare facilities, and luxury residential estates.

Essential for buildings with time-based automation, such as lighting schedules in shopping malls. The ABZ/S 2.1 ensures every timer in the KNX system is perfectly synchronized to world time, preventing schedule drift and reducing maintenance.

• Precise system-wide time synchronization
• Automated scheduling for building automation systems
• Mission-critical operations in commercial and healthcare facilities
• Energy efficiency through optimized timing control