The Theben PIRA T8 DE (Item No. 1030200) is a ceiling-mounted passive infrared (PIR) presence and motion detector designed for indoor applications. It offers a 360° detection area with a diameter of up to 8 meters (approximately 50 m²) at a mounting height of 2.5 meters.
- Detection Area: 360° coverage with an 8 m diameter at 2.5 m mounting height.
- Switching Output: Single-channel light control via 230 V relay.
- Light Measurement: Mixed light measurement for brightness-dependent control.
- Adjustable Settings: Brightness switching value adjustable between 5–1000 lux; switch-off delay configurable from 5 seconds to 15 minutes.
- Factory Preset: Preconfigured with a brightness threshold of 100 lux and a switch-off delay of 2 minutes for immediate operation.
- Power Consumption: Less than 0.5 W.
- Lamp Compatibility: Suitable for incandescent/halogen lamps (up to 1000 W) and LED lamps (up to 200 W).
- Installation Height: Optimal between 2 to 3 meters.
- Protection Rating: IP21.
- This detector is ideal for energy-efficient lighting control in offices, classrooms, and other commercial indoor spaces.