KNX Energy Meter Actuator, Din-rail Mounted, AC110V-240V, 3CH single phase Power meter, Able to Measure Active energy,current, voltage, frequency, active power, apparent power, power fact of each Channel or Totally three channels. the threshold values of current, voltage and active power of each channel can be set, supports 3CH 16A relay control, Supoorted by GraView Energy Management Software