Current measurement, Switch Actuator with bistable relays, Current max. 16/20A, capacitive load max. 200µF, Push Button and LED indicator for each channel, NO and NC contact operation, Time functions (switch-on/switch-off delay, Staircase light function), Status response (active/passive) for each channel, Logical linking of binary data, 8 scenes per channel, Hour meter, Central switching functions and block functions, Programmable behaviour in case of bus voltage failure or return, Each contact has an own supply phase, Integrated True RMS current measurement (current, kWh), Current measurement range 10mA-20A, Integrated counter to capture power consumption (Wh/kWh), Modular installation device for DIN 35mm rails, Integrated bus coupling unit, 3 years warranty.