US/U 2.2 ABB Universal Interface 2-Fold Binary Input for Conventional Push-buttons and Sensors KNX
The US/U 2.2 is a professional-grade component of the ABB i-bus® KNX smart building ecosystem, engineered to deliver exceptional reliability, energy efficiency, and operational scalability for modern intelligent infrastructure.
As part of the globally recognized Binary Input series, this device represents the convergence of high-performance hardware design and flexible software logic, ensuring seamless coordination across diverse building services including lighting, HVAC, and system maintenance.
Designed for DIN-rail or decentralized installation, the US/U 2.2 facilitates modular system architecture, allowing building operators to optimize environmental parameters and reduce energy overhead. Built with sustainable materials and future-ready technology, this device is a critical building block for achieving high-performance infrastructure standards such as LEED, BREEAM, and Green Premium.
| Product Model | US/U 2.2 |
|---|---|
| Product Range | ABB i-bus® KNX System |
| Communication Protocol | Standard KNX TP1 (S-Mode / PL-Link compatible) |
| Interface Configuration | 2 independent channels for scanning floating contacts |
| Rated Operating Voltage | Bus-powered (DC 24 V SELV) |
| Power Supply | Bus-powered via KNX line (DC 24-30 V SELV) or external auxiliary supply |
| Functional Elements | Internal pulse generator for status scanning, Compact module for junction boxes |
| Network Topology Support | Supports star, daisy-chain, and branch-based bus architectures |
| Wiring Interface | Maintenance-free PUSH-IN or industrial screw terminals for secure field connectivity |
| Operating Temperature | -5°C to +45°C (typical indoor operational range) |
| Housing Material | Halogen-free, Flame-retardant industrial grade polycarbonate |
| Ingress Protection | IP20 (Indoor installation environments) |
| Certifications | CE Marked, RoHS, REACH, KNX Certified, BTL Listed, Green Premium |
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