SA/S 2.10.2.1 ABB KNX Switch Actuator 2-Fold 10A Professional Relay for Small Zones and Decentralized Automation

The SA/S 2.10.2.1 is a professional-grade 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 Switch Actuator 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, power distribution, and load management.

Designed for DIN-rail installation, the SA/S 2.10.2.1 facilitates modular system architecture, allowing building operators to implement decentralized control networks that significantly 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 smart infrastructure projects targeting prestigious LEED, WELL, and Green Premium certifications. It is specifically engineered for 24/7 mission-critical operations in high-end commercial office towers, healthcare facilities, and luxury residential estates.

• Product Model: SA/S 2.10.2.1
• Product Range: ABB i-bus® KNX System
• Communication Protocol: Standard KNX TP1 (S-Mode / PL-Link compatible)
• Output Configuration: 2 independent switching outputs
• Rated Operating Voltage: 250/440 V AC load supply / 24-30 V DC Bus
• Control Power Supply: Bus-powered via KNX line (DC 24-30 V SELV)
• Current Consumption: approx. 12 mA from bus
• Logic & Time Functions: AND, OR, XOR, Staircase lighting with pre-warning, Scene control (8 scenes), On/Off delay
• Functional Logic: Standard potential-free relay contacts, individual channel status feedback, logic object linking
• Wiring Interface: Maintenance-free PUSH-IN or industrial screw terminals (0.2 - 6.0 mm²)
• Mounting Type: Standard DIN Rail TH35 (EN 60715)
• Width in Space Units: Modular design based on output count (2MW to 12MW)
• Operating Temperature: -5°C to +45°C (standard indoor operational envelope)
• Ingress Protection: IP20 (Indoor mounting environments)
• Certifications: CE Marked, RoHS, REACH, KNX Certified, Green Premium, BTL Listed

The SA/S 2.10.2.1 is the standard choice for centralized lighting and load control in commercial boardrooms and hospital suites. Its multiple logic functions allow for seamless coordination with occupancy sensors, ensuring lights are only active when needed, drastically reducing building operation costs.