MEAN WELL KAA-8R-10S KNX Switching Actuator, 8-Channel, 10A per Channel, DIN Rail Mount

The MEAN WELL KAA-8R-10S is an 8-channel KNX switching actuator with potential-free relay contacts, each rated for 10A at 250V AC resistive load. It enables independent switching of lighting, blinds, heating valves, or sockets in building automation systems.

Advantages

Manual push buttons per channel and LED indicators allow direct on-site operation and status monitoring without bus connection. The device supports switching, scene control, logic functions, and time functions, configurable via ETS software. Compact DIN rail housing occupies only 4 units (72 mm).

Suitable for

• Switching lighting circuits in residential and commercial buildings
• Controlling blinds and shutters via KNX
• Actuating heating valves or sockets
• Integration into KNX bus systems with 21-30V DC supply

Key specifications

• Number of channels: 8
• Output type: potential-free relay contacts
• Switching capacity per channel: 10A / 250V AC (resistive load)
• KNX supply voltage: 21-30V DC via bus
• Mounting: DIN rail (4 units)
• Operating temperature: -5°C to +45°C
• Protection class: IP20
• Power consumption from KNX bus: <10mA
• Connection: KNX bus terminal and screw terminals for loads
• Housing material: plastic

Recommendations

For reliable switching of high inrush loads such as LED drivers or fluorescent lamps, consider using an additional contactor or derating the load. Ensure proper KNX bus installation and commissioning with ETS.