MDT switching actuator – Precise and flexible control for lighting and electrical devices in KNX systems
The MDT AKI switching actuator is a powerful and versatile solution for controlling lighting, heating, and electrical appliances in modern KNX systems . It is available in the AKI-0416.04 (4-channel) , AKI-0816.04 (8-channel), and AKI-1216.04 (12-channel) versions and impresses with its high switching capacity, precise control functions, and robust design – ideal for use in residential, office, and commercial buildings.
Key features
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High-performance switching technology:
- Maximum switching capacity of 16A/20A per output.
- Designed for high inrush currents up to 600A/150µs .
- Mechanical lifespan: over 1,000,000 switching cycles .
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Advanced control options:
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Time functions such as on/off delay, stairwell lighting and pulse functions.
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Scene control: Up to 8 scenes per channel for individual lighting and energy scenarios.
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Logical links and central switching functions for complex KNX automations.
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Status messages: Active, passive, inverted, or cyclic.
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Locking and priority functions with automatic reset.
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User-friendliness:
- Manual operation via mechanical pushbuttons with LED status indicator per channel.
- Integrated operating hours counter for maintenance and energy management.
- Flexible configuration via ETS4/ETS5 with Long Frame Support.
Technical details
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Designs 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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Switching loads:
- Resistive load: 16A / 20A .
- Capacitive load: Max. 200µF at 16A .
- Incandescent bulbs: 3680W .
- HV halogen lamps: 3680W .
- NV halogen (electronic transformer): 2000W .
- Fluorescent lamps uncompensated: 3680W , parallel compensated: 2500W .
- Maximum 28 electronic ballasts (ECG) .
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Connection and installation:
- Screw terminals for conductors up to 4 mm² (solid) or 2.5 mm² (stranded).
- KNX bus terminal: 0.8 mm Ø (solid conductor).
- DIN rail mounting on 35 mm DIN rail, protection class IP20 .
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Environmental conditions:
- Operating temperature: 0 to +45°C .
- Power consumption: Typically < 0.25W via KNX bus.
Applications
- Precise control of lighting systems in residential and office buildings.
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Energy-efficient automation through scene and priority control.
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Central control of electrical devices via KNX installations.
- Integration into smart building and building automation systems .
Additional benefits
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Made in Germany: Manufactured according to ISO 9001 quality standard.
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3-year warranty for durability and reliability.
- Easy integration and parameterization via ETS databases .
Product information
Manufacturer part number: AKI-1216.04
Article number: SMH0212
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