MDT KNX switching/blind actuator 2-/1-gang with 4-gang push-button interface

MDT Universal Actuator – Versatile control of lighting, blinds and HVAC systems in KNX systems

The MDT universal actuators AKU-02UP.03 and AKU-B2UP.03 are compact, high-performance flush-mounted solutions for automating modern KNX installations. They enable intelligent control of lighting, blinds, and other functions – ideal for smart homes and commercial buildings. With integrated sun protection, optional binary inputs, and precise control, they ensure maximum efficiency and comfort.

Key features

• Flexible use as a switching or blind actuator:
  • AKU-02UP.03: 2-way switching actuator or 1-way blind actuator.
  • AKU-B2UP.03: 4 additional binary inputs for pushbuttons, switches or window contacts.
• Advanced automation features:
  • Heating control via PWM (0–100%).
  • Automatic shading and louver tracking with sun position calculation.
  • Practical ventilation function (window open/tilted).
  • Time functions such as on/off delay and staircase lighting function.
  • 8 scenes per channel, logical links and central controls.
• User-friendly parameterization:
  • Calibration and positioning functions for blinds and roller shutters.
  • Separate travel times for ascent and descent can be individually set.
  • Support for 1-bit automatic control and integrated sun protection logic .

Technical details

• Number of outputs: 2 channels.
• Maximum switching capacity:
  • Resistive load: 10 A .
  • Incandescent lamps: 1500 W , HV halogen: 1200 W , LV halogen: 500 W.
  • Fluorescent lamps: uncompensated 500 W , parallel compensated 120 W.
  • Roller shutter motors: 300 W (not suitable for three-phase motors).
• Inputs (AKU-B2UP.03 only):
  • 4 potential-free inputs (3.3 VDC internal).
  • Configurable functions for push buttons, switches or window contacts.
• Power supply: KNX bus, typical consumption < 0.3 W.
• Assembly:
  • Compact flush-mounted device with dimensions 41 × 41 × 22 mm .
  • Protection class IP20 – suitable for dry indoor areas.
• Switching frequency: Mechanical > 1,000,000 cycles.
• Ambient temperature: 0 to +45 °C.
• Compatibility: ETS5 database available, supports Long Frame for fast application download.

Applications

• Intelligent control of lighting and blinds in smart homes and office buildings.
• Integration of window contacts for energy-efficient heating and ventilation control.
• Convenient scenario control for light and sun protection.

Additional benefits

• Production in Germany according to ISO 9001 quality standard.
• 3-year guarantee on reliability and durability.
• Easy installation in standard switch boxes.

Product information

Manufacturer item number: AKU-B2UP.03
Article number: SMH0227

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