Description
4-Channel DALI Phase Dimmer (SR2303AC4CHDIN)
The SR2303AC4CHDIN is a professional-grade, four-channel DALI DT6 Phase Cut Dimmer designed for high-performance management of mains-powered lighting. Engineered for ease of installation, this DIN rail-mountable unit provides precise control over resistive and capacitive loads, making it the ideal solution for mains-powered LED lamps, LED drivers, and low-voltage halogen systems with electronic transformers.
This versatile dimmer can be configured to operate as a 1, 2, 3, or 4-channel device, offering the flexibility to control all channels simultaneously or independently. Fully compliant with DALI-2 standards, it supports manual address assignment via an integrated digital display or automatic addressing through a DALI Master, ensuring seamless integration into modern smart building architectures.
Construction & Build – 4x400W @ 230V
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Controller Type: DALI DT6 Phase Cut Dimmer (DALI-2 Compliant)
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Mounting: 35mm DIN Rail mountable for standard electrical panels
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Dimming Type: Reverse Phase (Trailing Edge) dimming technology
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Channel Flexibility: Field-configurable for 1, 2, 3, or 4 independent DALI addresses
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Manual Control: Integrated menu buttons and digital display for manual DALI addressing
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Special Features: Built-in “Push Dim” facility for manual overriding and local control
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Minimum Brightness: User-definable minimum dimming level to eliminate lamp flicker
Key Features
✅ DALI-2 Certified: Guaranteed interoperability with any DALI-2 master on the market ✅ Universal Mains Support: Wide input range of 100V to 240V AC for global application ✅ High Load Capacity: Supports up to 1.8A per channel (4 channels total) ✅ Flicker-Free Performance: Configurable minimum brightness ensures stable dimming curves ✅ Trailing Edge Dimming: Optimized for modern LED loads and electronic transformers ✅ Non-Volatile Memory: Retains all DALI addressing and settings during power interruptions ✅ Robust Warranty: Backed by a 5-year manufacturer guarantee from Sunricher
Technical Specifications
| Specification | Detail |
| Product Code | SR2303AC4CHDIN |
| Input Voltage | 100V – 240VAC / DALI Bus |
| Output Current | 4 x 1.8A |
| Connectivity | DALI DT6 Protocols |
| IP Rating | IP20 (Indoor Use) |
| Operating Temp | -20°C to +45°C |
| Dimensions | 145.4mm x 90mm x 66.4mm |
| Humidity Range | 8% to 80% Relative Humidity |
Applications
💡 Mains LED Dimming: Precise control of dimmable LED bulbs and fixtures.
🎭 Architectural Lighting: Managing multiple zones of halogen or incandescent lamps.
🎪 Commercial Galleries: Individual channel control for complex track lighting setups.
🏟️ Smart Buildings: Integration with centralized DALI masters for energy management.
🎛️ Retrofit Projects: DIN rail mounting allows for easy upgrades to existing panels.
Why Choose the SR2303AC4CHDIN Dimmer?
🚀 High Versatility: One unit can handle four separate zones, reducing total hardware costs.
🛡️ Reverse Phase Precision: Specifically designed for capacitive loads (LEDs) to ensure longevity.
⚡ Manual & Auto Setup: The digital display allows for quick on-site troubleshooting and addressing.
🎭 Smooth Fading: Achieves a 1% to 100% dimming range for premium lighting transitions.
🎛️ Space Efficient: Compact DIN rail design fits 90mm height standard modules.
Additional Information
🌟 Professional-grade DALI-2 phase-cut controller
🛠️ Note: Ensure your light sources support Reverse Phase (Trailing Edge) dimming
📦 Designed for installation in ventilated IP20 rated consumer units
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