Overview
The Busch-Watchdog® PRO KNX from Busch-Jaeger (ABB) is a professional-grade motion detector designed for reliable outdoor and corridor presence detection within KNX smart building systems. Engineered for precision, durability, and flexibility, it’s ideal for driveways, entrances, garages, and building facades where motion-based automation and lighting control are critical.
Key Features
- Infrared motion detection with 220° wide coverage and up to 16 m range
- Adjustable detection zones: fine-tune area, sensitivity, and range per direction
- Integrated brightness sensor for daylight-dependent control
- ETS-configurable functions: switching, scenes, logic blocks, HVAC triggers
- Manual override input and status LED indicators
- IP55 protection for robust outdoor use
- Multisensor logic: combine motion, light level, and time into trigger conditions
Technical Specifications
- Detection Angle: 220°, segment-based coverage
- Range: up to 16 m (adjustable)
- Mounting Height: 2.2 – 2.5 m recommended
- Power Supply: KNX bus-powered
- Interface: KNX TP (twisted pair)
- Brightness Range: 1 – 1000 lux
- Protection Rating: IP55 (dust & water-resistant)
- Installation: Surface wall mount or corner mount with accessories
Pros
- Designed specifically for outdoor or harsh environments
- Flexible detection adjustments and logic programming
- Reliable performance in rain, dust, and varying light conditions
- Integrates lighting, alarm, and HVAC responses in one unit
- Part of a trusted, globally supported ABB KNX ecosystem
Considerations
- Not designed for flush mounting or completely hidden aesthetics
- Requires ETS setup for advanced logic blocks
- 220° wide angle may need shielding in narrow spaces
Verdict
The Busch-Watchdog® PRO KNX offers installers a robust and intelligent motion detection tool tailored for outdoor KNX automation. With its strong IP rating, configurable logic, and adjustable detection fields, it provides peace of mind and energy-efficient control for residential and commercial entrances. For any KNX project that moves beyond interiors—this is a top performer.
⭐ Overall Rating: 4.7 / 5
An excellent outdoor KNX presence sensor with powerful logic and precise motion detection.
Website: http://www.abb.com/knx
