● A complete set of protection, related to the application; ● 8 current input, 4 voltage input, 16 DI, 10 DO; ● Auxiliary power supply adapts with AC220V, DC220V, DC110V, AC110V; ● 2 RS485 serial communication, IEC 60870-5-101, IEC60870-5-103 and Modbus-RTU; ● 1 RS232 for user update; ● 1 GPS for GPS timing; ● More than 200 sequence of event records, more than 400 system logs, and more than 10 seconds tripping context records; ● Powerful graphic programmable Logic.