Description
Introduction
The theben thePrema S360 KNX UP GR (SKU 2079501) is a passive infrared (PIR) presence detector designed for flush-mounted ceiling installation in KNX building automation systems. Engineered to monitor a 360° square detection area covering up to 49 m² (7 x 7 m) at a 3 m mounting height, this sensor provides high-precision occupancy detection tailored for sitting activities. This device is part of our KNX Sensors products range.

Featuring 2 dedicated light control channels and 2 presence control channels, the sensor evaluates ambient brightness via integrated mixed light measurement. It supports flexible delay timing, with light switch-off delays from 30 seconds to 60 minutes and presence switch-off delays from 10 seconds to 120 minutes, connecting directly via a standard KNX bus terminal.
Key Features
- Passive infrared (PIR) sensor with 360° square detection field.
- Coverage area up to 49 m² (7 x 7 m) at 3 m installation height.
- 2 light control channels and 2 presence control channels.
- Flush-mounted ceiling installation via standard KNX bus terminal.
- Optimized sensitivity profile for sitting occupants.
- Light switch-off delay range from 30 seconds to 60 minutes.
- Presence switch-off delay range from 10 seconds to 120 minutes.
- Mixed light measurement for efficient light control.
Benefits
- Square 360° Detection Area: Covers up to 49 m² (7 x 7 m) at a 3 m mounting height, ideal for square and rectangular room layouts.
- Multi-Channel Automation: Integrates 2 light channels and 2 presence channels for independent control over lighting and HVAC systems.
- Mixed Light Measurement: Utilizes mixed light sensing to continuously balance daylight and artificial illumination.
- Configurable Delay Settings: Supports adjustable light switch-off delays (30 s to 60 min) and presence switch-off delays (10 s to 120 min).
- Environmental Transparency: Provides complete Life Cycle Assessment metrics including Cradle-to-Gate (3.9 kg CO₂ eq) and Cradle-to-Grave (13.86 kg CO₂ eq) ratings.
Technical Specifications
Applications
- Commercial Office Spaces: Ensures reliable presence detection for seated personnel across a 49 m² square detection zone.
- Conference and Meeting Rooms: Facilitates automated lighting and climate integration using 2 presence and 2 light channels.
- Institutional & Educational Facilities: Coordinates constant light management using integrated mixed light measurement.
Installation Notes
- Mounting Specifications: Designed for flush-mounted ceiling installation with an operating mounting height between 2.0 m and 3.5 m (minimum height 1.7 m).
- Detection Zone Scaling: At 2 m height coverage is 9 m² (3 x 3 m), at 2.5 m height coverage is 16 m² (4 x 4 m), and at 3 m height coverage reaches 25 m² (5 x 5 m) for sitting detection and up to 49 m² overall.
- Bus Connection: Connects directly to the KNX network using a standard KNX bus terminal.
Developer Resources
- Data sheet (PDF) and Hand book (PDF) available for technical specification and parameter setting guidance.
- Tender text (DOC) accessible for project procurement and bill of quantities integration.
- CE declaration of conformity (PDF) and Information Notice EU Data Act (PDF) available for verification.
FAQ
What is the detection area of the theben thePrema S360 KNX UP GR?
The detector provides a 360° square detection area covering up to 49 m² (7 x 7 m) at a mounting height of 3 m. Explore more theben automation devices for professional building automation projects.
How many channels are available for automation output?
The device features 2 independent light channels and 2 presence channels for KNX integration. For certificates and current technical files, refer to the manufacturer technical documentation.
What are the delay settings for light and presence functionality?
Light switch-off delays can be configured between 30 seconds and 60 minutes, while presence switch-off delays range from 10 seconds to 120 minutes.
How is the device installed and connected?
It is designed for flush-mounted ceiling installation and connects to the system via a standard KNX bus terminal.
What is the exact product model?
The order/model code for this page is 2079501. Match it against project documents before purchase.
Who is the manufacturer?
This product is manufactured by theben.
Conclusion
The theben thePrema S360 KNX UP GR (2079501) offers an efficient, multi-channel presence sensing solution tailored for KNX building control systems. With 360° square coverage, dual light/presence channels, and mixed light measurement, it delivers precise room automation for modern office and commercial projects. Installers and system integrators can review our professional project support options.







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