Siemens UP 220/21 KNX Push-Button Interface 2 x Potential-Free Contact Output for LED Control

SKU: UP 220/21
Regular price £70.00
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The Siemens UP 220/21 KNX Push-Button Interface for LED Control is a 2-fold KNX/EIB binary input and output interface. Use it to link standard switches, pushbuttons, or LEDs to your KNX building automation network.

Technical Specs

  • Channels: 2 independent channels, each fully configurable as either a binary input or an LED output.
  • Input Mode: Connects to potential-free (floating) contacts. It creates its own scanning voltage, the switches do not need a separate power source.
  • Installation: Designed for flush mounting inside standard in-wall switch boxes (Ø 60 mm, depth 40 mm) directly behind the physical switch
  • Switching & Dimming: Supports simple on/off/toggle commands as well as single-button or dual-button dimming configurations.
  • Solar Protection: Operates motorised blinds, shutters, and sunshades.