... for power monitoring and management. monitor voltage, current, power, switch status,etc.. CYPD2.0-A Model Alternating Currency (AC) Power ... , harmonic wave, the power, the electrical capacity, distortion rate, the switch status of the power distribution row cabinets and the power ... -voltage, under-voltage, lack of phase, over-current, the switch status, etc.; All alarm signals is not jammed, and the ...