Display the Voltage and Frequency of two suppliers.
Display the fault (over voltage, under voltage or the lost of Phase ).
Display Auto or Manual transferring.
Output signal for operating .
When any of the two supplier fails ( no power) , the switch can be transferred to. The other source automatically the voltage normal delay of supplier 1# or 2#can be set in (0~30) seconds.
When either of the supplier failed ((over voltage, under voltage Phase lost) , the switch can be transfer to the other supplier automatically and send alarms. Preferred source can be set as needed.
When Supplier 1 and supplier 2 start simultaneously, the switch are driven by preferred supplier automatically. Make the supplier A or supplier B operates by manual mandatory .
