The TAC Xenta 421A is a high-performance universal input/output module designed for building automation and environmental control systems. It provides 4 universal inputs and 5 relay outputs, allowing flexible connection to various sensors and actuators for intelligent control of lighting, HVAC, and energy systems.
Key Features
4 universal inputs for flexible sensor connectivity
5 relay outputs for actuator control
Modular design for seamless system integration
High reliability for critical building automation applications
Scalable functionality for expanding control systems
Compatible with TAC Xenta controller ecosystem
Applications
Ideal for intelligent control of lighting, HVAC, and energy management systems in modern building automation environments. The TAC Xenta 421A serves as a reliable I/O expansion unit for comprehensive building management solutions.