UD/S 2.300.2 ABB Universal Dimmer Actuator 2-Fold 300 VA REG-K for RLC Loads and LED Lighting KNX System
The UD/S 2.300.2 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 Lighting Control 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 UD/S 2.300.2 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.
It is specifically engineered for 24/7 mission-critical operations in high-end commercial, hospitality, and residential environments.
| Product Model | UD/S 2.300.2 |
| Product Range | ABB i-bus® KNX System |
| Communication Protocol | Standard KNX TP1 (S-Mode / PL-Link compatible) |
| Interface Configuration & Channels | 2 independent switching and dimming channels |
| Rated Operating Voltage | 230 V AC load supply / 24-30 V DC Bus supply |
| Power Supply | Bus-powered via KNX line (DC 24-30 V SELV) or external auxiliary supply |
| Functional Sensing & Diagnostic Elements | Automatic load detection (R, L, C), Short-circuit and overload protection, Manual override |
| 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 |
The UD/S 2.300.2 is the definitive choice for high-end hospitality and executive office lighting. In five-star hotel suites, it provides flicker-free dimming of multiple bulb types simultaneously, automatically identifying wound or electronic transformers to optimize the dimming curve.
Its 2-channel independent logic allows for precise scene coordination in living areas and bedrooms, while integrated diagnostics enable proactive maintenance by identifying lamp failures at the circuit level.
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