KNX leakage sensor for detecting water ingress With integrated bus coupler. Floor sensor for detecting leaks and water ingress. Reliable detection of conductive liquids using electrolytic alternating voltage measurement. Alarm channel for control/reporting. Optical alarm. Adjustable on/off delay. Optional reset via object or automatic. Length of connecting cable: 1.4 m. Protection class: IP 66. Dimensions: Ø 70 mm x 24 mm (W/H x D). Integrated bus coupler. 3-year product guarantee.