Can be used for various PC-level switches;

Collect and display 3-way 3-phase voltage, frequency and phase sequence;

Collect and display load active power, reactive power, apparent power, power factor and current;

S1/S2/S3 priority arbitrary setting;

Power system type can set as Mains-Mains-Mains, Mains-Mains-Gen, Mains-Gen-Gen;

Voltage transformer ratio function;

Black box function, which can cycle record 5 pieces of log and each log contains 60 groups of data including switch status detailed data of 50s before and 10s after switchover;

Can control two gensets to realize cycle run, master-slave run and balanced run;

Genset scheduled run/scheduled not run function that can set as run once a day/week/month.

Collect and display 3-way 3-phase voltage, frequency and phase sequence;

Collect and display load active power, reactive power, apparent power, power factor and current;

S1/S2/S3 priority arbitrary setting;

S1/S2/S3 master input, highest switching priority when input port is active;

Input ports forced manual mode and auto mode;

Auto transfer/restore input, auto transfer/restore when active, auto transfer, non-restore when inactive;

Elevator control output, output before load outage or switch transfer, is used to control the running elevator to stop at the nearest floor until the switch transfer is completed;

Closed output of 3-way ACB switches;

Switch is transferring, output during the switch transfer process;

Voltage transformer ratio function.