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  • The UD/S4.315.2.1 KNX Universal Dimmer 4 Channel is a high-power LEDi actuator with 4 outputs, auto load detection, and up to 500 W/VA per group. Perfect for professional DIN-Rail installation.
  • The UD/S4.315.2.1 KNX Universal Dimmer 4 Channel is a high-power LEDi actuator with 4 outputs, auto load detection, and up to 500 W/VA per group. Perfect for professional DIN-Rail installation.
  • The UD/S4.315.2.1 KNX Universal Dimmer 4 Channel is a high-power LEDi actuator with 4 outputs, auto load detection, and up to 500 W/VA per group. Perfect for professional DIN-Rail installation.

UD/S4.315.2.1 KNX Universal Dimmer 4 Channel

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UD/S4.315.2.1 KNX Universal Dimmer 4 Channel: High-Power LEDi Actuator

The UD/S4.315.2.1 KNX Universal Dimmer 4 Channel is a robust, multichannel actuator designed for high-performance lighting systems. Optimized for the reliable dimming of retrofit LED lamps (LEDi), this device offers exceptional power density with 4 independent outputs that are configurable for a vast range of universal loads.This dimmer simplifies complex installations thanks to automatic load detection and the flexibility to connect outputs in parallel in groups, delivering up to 2 x 500 W/VA per group (in trailing edge control). It reliably handles traditional incandescent, halogen, and low-voltage halogen lighting, ensuring a minimum load of just 2 W per channel.Designed for professional use and DIN-Rail mounting, the UD/S4.315.2.1 KNX Universal Dimmer 4 Channel integrates seamlessly into any KNX system. Access the official Product Manual (Outbound Link) for detailed specifications.

1. UD/S4.315.2.1 KNX Universal Dimmer: Performance and Load Capacity

The actuator’s design is focused on high power output and broad compatibility across all modern dimmable light sources.

Core Functionality:

  • Universal Load Type: Automatically adapts to Incandescent, Halogen, Low-Voltage Halogen (with L/C transformers), and LEDi Retrofit lamps.
  • High-Capacity Outputs: Features 4 independent outputs, delivering a nominal power of 4 x 315 W/VA (Trailing Edge) or 4 x 120 W/VA (Leading Edge).
  • Load Grouping: Outputs can be connected in parallel in groups to increase output power up to 2 x 500 W/VA.
  • Minimum Load: Supports extremely low power consumption with a minimum load requirement of just 2 W.
  • LEDi Optimization: Optimized for dimming retrofit LED lamps, ensuring smooth operation across all phases.

2. Installation, Diagnostics, and Control

The UD/S4.315.2.1 is engineered for simple integration and robust, reliable operation.

  • Simplified Wiring: Features separate N-connection per channel.
  • Programming Flexibility: Supports programming and manual operation on the device even without applied 230V supply voltage or bus voltage.
  • Diagnostics: Includes extensive test and diagnosis functions for the i-Bus tool and fast parameter setting in ETS using copyable channel templates.
  • Control Integration: Pairs easily with KNX interfaces, such as the Oria KNX Thermostat Switch (Internal Link), for integrated scene and dimming control.

DIN-Rail UD/S4.315.2.1 KNX Universal Dimmer 4 Channel actuator for LEDi

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The UD/S4.315.2.1 KNX Universal Dimmer 4 Channel is a high-power LEDi actuator with 4 outputs, auto load detection, and up to 500 W/VA per group. Perfect for professional DIN-Rail installation. UD/S4.315.2.1 KNX Universal Di...

668,00

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