Busch-Watchdog 220 MasterLINE KNX

Especially comfortable. For special tasks.

The Busch-Watchdog not only looks good. It also impresses with its inner quality. High-quality, intelligent technology adds a new dimension to safety. And it gives one a feeling of safety, inside and out. The intelligent Busch-Jaeger movement detectors miss nothing. They respond instantly when needed. For example, they detect immediately when a light is to be switched on or off, and they are a reliable signpost in the dark. These high-quality detection systems guarantee uninterrupted surveillance in all areas. They ensure that your sleep is peaceful, chase away thieves and switch the light on and off when you are on holiday.

In addition to the functions of the Busch-Watchdog 220 MasterLINE, this movement detector impresses with further tailor-made features. Because the KNX-based Busch-Watchdog 220 MasterLINE KNX is perfect for integrating into the KNX system of the house for surveillance tasks. With the intelligent KNX networking function also light, blinds, heating and many other areas of modern building automation can be operated, monitored and connected.

Additional advantages are convenient installation and the practical Powertool for simplifying device parameterization. Only the most important parameters are displayed, the remainder must be activated as required. The Busch-Watchdog 220 MasterLINE KNX has two movement channels for evenings and nights. It impresses with excellent detection even during twilight. The twilight switch is not influenced by other lighting.

Overview of colours.

The Busch-Watchdog 220 MasterLINE KNX is available in the modern colours white and silver metallic.

Detection range.

This movement detector has a detection range of 220°. The coverage is 16 meters to all sides. It has four detection levels without any gaps. Additional features of these innovative devices include ground and rear-field detection, creep zone protection and automatic switch-on of light when stepping out of the door. Second detection level of 1 m towards all sides as well as second switching output (first the path illumination, then main entrance illumination)

Mounting options.

01 Wall mounting.
The classic installation. The Busch-Watchdog movement detectors can be easily and quickly installed. In the classical position on the wall, for example. One of the most frequent installation options.

02 Wall mounting with gradient. Each task is carried out with consummate ease. Busch-Watchdogs are multitalented. Even in complicated installation situations, such as in a building on a hill or with a gradient, the movement detector with the corner adaptor can be installed and adjusted in such a way that it offers the most optimum possibility for detection.

03 Ceiling mounting. All good things come from above. If the Busch-Watchdog is to be installed on the ceiling, there are two versions. From the bottom for a wide detection range. Or with a corner adapter, to be able to position the device correctly.

04 Corner mounting. A Busch-Watchdog accepts all challenges. Thanks to a detection range of up to 280°, even the most difficult surveillance tasks are child's play. In combination with a special corner adapter it is installed on corners of buildings easily and quickly without any difficulty.

Comfortably controlling all functions.

With the practical IR remote control you are always fully in charge of safety and comfort. The settings can be handled easily without a ladder or an electrical installer. For example, brightness switching threshold, presence simulation or continuous light On/Off.
Link to Busch-Remote control IR


  • Ideal for free-standing houses
  • Detection range of 220°, 16 m to all sides
  • With four detection levels
  • The device can be protected against direct dismantling by means of additional screw connections.
  • The retaining hole is compatible with all previous Busch-Watchdog models
  • Important functions such as continuous light On, continuous Off, presence simulation, saving of the brightness switching threshold can be deactivated/activated with the IR remote control without a setting on the device.
  • Remote operation and remote parameterization, further settings/functions can now be disconnected/connected via the IR service remote control.
  • Saving of energy: The time for the forced switch-off depends on the set switch-off delay; however, it is limited to a maximum of 90 minutes.
  • Signalling of detection to make commissioning easier or for diagnostics purposes
  • Cabling is easy to install without clamping
  • No gaps in detection, homogenous, large detection range
  • Floor and rearfield detection
  • As creep zone protection and switch-on when stepping out of the door
  • Automatic range stabilisation. In case of changing outdoor conditions the Busch-Watchdog keeps the range constant.
  • Automatic interference suppression
  • Presence simulation (while on holiday, for example). At the arrival of twilight, continuous light is activated and after approximately 11:30 p.m. the watchdog function.
  • All loads connectable, maximum 3,680 W/VA

Additional functions of the Busch-Watchdog 220 MasterLINE model:

  • Wall connection box with level adjustment
  • Six cable entries
  • Parameterization via Powertool
  • Simplification of device parameterization. Only the most important parameters are displayed, the remainder must be activated.
  • With two movement channels, for different settings for evenings and nights, for example
  • The same parameterization options as the flush-mounted KNX Watchdog
  • Many setting options with versatile use
  • A twilight switch with up to three switching thresholds, excellent detection during twilight
  • The twilight switch is not influenced by other illumination within the system
  • Status display on the device for the respective operating mode




Rearfield detection.

A typical feature of comfort is the practical rearfield detection. When stepping out of the house it automatically switches on the outdoor lights. That means you do not step from the illuminated hallway directly into the dark, but are greeted by a reassuring light in front of the door.