MDT switching actuator – High-performance control for KNX systems
The MDT AKI switching actuator is a reliable and versatile solution for controlling lighting, electrical appliances, and heating systems in modern KNX installations . It is available in the AKI-0416.04 (4 channels) , AKI-0816.04 (8 channels), and AKI-1216.04 (12 channels) versions and impresses with its high switching capacity, flexible configuration, and robust construction – ideal for use in residential and commercial buildings.
Key features
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Maximum flexibility:
- Control of up to 12 channels independently of each other.
- Support for normally closed and normally open operation .
- Individually configurable switching functions via ETS5.
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Extended control functions:
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Time functions such as on/off delay, staircase lighting time and pulse control.
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Scene control with up to 8 scenes per channel for individual lighting and control profiles.
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Logical connections and central switching functions for complex KNX applications.
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Locking and coercive functions with adjustable fallback time.
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Robust and user-friendly:
- Mechanical manual control with LED status indicator for each channel.
- Extensive status messages : inverted, cyclical, or when the locking function is active.
- Integrated operating hours counter for monitoring and maintenance.
Technical details
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Variants and dimensions:
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AKI-0416.04: 4 channels, 4TE.
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AKI-0816.04: 8 channels, 8TE.
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AKI-1216.04: 12 channels, 12TE.
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Maximum switching capacity:
- Resistive load: 16A / 20A .
- Capacitive load: up to 200 µF at 16A .
- Incandescent bulbs: 3680W .
- HV halogen lamps: 3680W .
- Low-voltage halogen lamps (electronic transformer): 2000W .
- Fluorescent lamps uncompensated: 3680W , parallel compensated: 2500W .
- Maximum 28 electronic ballasts (ECG) .
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Inrush current:
- Max. 600A / 150µs and 300A / 600µs .
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Assembly:
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DIN rail mounting device (35 mm).
- Protection class: IP20 – suitable for dry indoor areas.
- Screw terminals: 0.5–4.0 mm² (solid), 0.5–2.5 mm² (stranded).
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Power supply: KNX bus, typical consumption < 0.25W .
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Operating environment:
- Temperature range: 0 to +45°C .
Applications
- Intelligent control of lighting and energy consumers in residential and commercial buildings.
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Scene-based automation for increased comfort and energy efficiency.
- Integration into HVAC systems to optimize energy consumption.
- Use in smart building and KNX building automation systems .
Additional benefits
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Production in Germany according to ISO 9001 quality standard.
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3-year warranty for maximum reliability and durability.
- Easy integration and quick parameterization thanks to ETS5 Long Frame support .
Product information
Manufacturer part number: AKI-0416.04
Article number: SMH0211
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