MDT KNX 20-channel DIN rail timer

MDT time switch SCN-RTC20.02 – Precise time control for KNX systems

The MDT SCN-RTC20.02 time switch is a powerful and versatile solution for the time-dependent control of lighting, blinds, heating, and other functions in modern KNX systems. With 20 independent channels , intuitive operation via a color display, and a wide range of automation functions, it is ideal for demanding applications in smart homes, offices, and commercial buildings.

Key features

• 20 channels with versatile functions
  • Up to 8 switching times per channel , individually adjustable via ETS or directly on the device.
  • Supports daily, weekly and astronomical switching functions for maximum flexibility.
  • Integrated blind control with precise regulation of height and slat position per channel.
• Enhanced features for maximum flexibility
  • Automatic holiday calculation for precise switching logic.
  • Special channel for day/night switching to control scenes or lighting.
  • Individual switching time adjustment can be configured for each channel.
  • Integrated azimuth and elevation angle calculation for sun position-dependent automation.
• User-friendliness and security
  • Large, active color display for clear viewing and easy hand control.
  • The combination lock function protects against unauthorized access and unwanted changes.
  • Cyclical sending of time and date in KNX bus operation for consistent synchronization.

Technical details

• Number of channels: 20
• Switching times per channel: 8
• Power reserve: 24 hours
• Accuracy: Typically < 5 minutes/year
• Power supply: KNX bus, typical consumption < 0.25 W
• Temperature range: -10 °C to +50 °C
• Protection class: IP20 – suitable for dry indoor areas
• Dimensions: 4 TE (series installation)
• KNX interface: TP-256, compatible with ETS5

Applications

• Precise time control for lighting, shading and climate functions.
• Automation of building functions such as heating, ventilation or awnings.
• Efficient energy savings through intelligent time and solar data control.
• Central scene control and synchronization of KNX devices.

Additional benefits

• Production in Germany, certified according to ISO 9001 .
• 3-year warranty for maximum reliability.
• Easy installation and ETS configuration via the KNX standard.

Product information

Manufacturer part number: SCN-RTC20.02
Article number: SMH0289

Shipping costs: free shipping within the EU for orders over €149; for orders under €149, we charge €5.90 shipping costs.

Switzerland: flat rate €25.00

Returns: You can cancel your purchase within 14 days of receipt and then return the products to us. Please note that for sustainability reasons and a fair pricing philosophy, we only cover return shipping costs in the case of a defect or warranty claim.

MDT technologies GmbH
Paper mill 1
DE-51766 Engelskirchen
knx@mdt.de