●SKR2 series ATS intelligent controller of company of the second generation of products, the English abbreviation for ATSC (automatic transfer switch controller),with MCU as the core technology, accurate detection of two phase voltage and voltage to the appearance of abnormal (loss of power, over-voltage, under pressure,lack of phase) to make accurate judgment, and to the backup generators issued since the start signal, after the preset delay control ATS switch to standby power supply side.