UD/S 4.315.2.1 ABB i-bus KNX Dimmer 4-Channel 315 W/VA DIN Rail Multichannel Dimming Actuator for LEDi
Rated at 315 W/VA on each of its four outputs, the ABB i-bus KNX UD/S 4.315.2.1 is a robust solution for professional dimming applications. This actuator is primarily designed for modern LED retrofit lamps while maintaining compatibility with filament bulbs, mains-voltage halogen lamps, low-voltage halogen lamps behind wound or electronic transformers, and dimmable halogen energy-saving lamps. The device features automatic load recognition for seamless operation.
Order Code: 2CKA006197A0057
EAN: 4011395251966
| Parameter | Specification |
|---|---|
| KNX Connection | TP1 twisted-pair line, S-Mode, coupler on board |
| Outputs | 4 dimmer channels, one neutral conductor each, group joining available |
| Operating Voltage | 110 - 230 V AC, ±10 %, 50 or 60 Hz |
| Trailing-edge Phase Cut | 4 x 315 W/VA, up to 2 x 500 W/VA (filament bulbs, mains halogen, LEDi, inductive or capacitive transformers) |
| Leading-edge Phase Cut | 4 x 120 W/VA, up to 2 x 200 W/VA (LEDi, electronic LC transformers) |
| Smallest Connectable Load | 2 W |
| On-device Control | Illuminated button per channel for on/off and up/down dimming, works with a dead bus |
| Engineering | Copyable ETS channel templates, i-bus Tool test and service routines, configuration with no 230 V applied |
| Fitting | DIN rail (modular installation device), 8 space units, 140 x 90 x 63.5 mm, IP20, light grey |
| Thermal Range | -5 to +45 °C ambient |
| Compliance | CE, RoHS, REACH, KNX |
Ideal for conference suites, dining areas, and premium retail environments where extensive LEDi lighting circuits are combined with transformer-fed lighting fixtures. This dimmer provides reliable performance in demanding commercial and hospitality settings.
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