*Power supply:AC220V or AC/DC 80V~260V *3-phase 3-wire, 3-phase 4-wire *Voltage rated value:AC100V400V accuracy:0.5 *Current rated value:AC1A/AC5A accuracy:0.5 *Frequency:40-60Hz Function module: *Standard configuration: 1 way RS-485 communication, Modbus-RTU protocol *Power pulse output: 1 way active power, 1 way reactive power pulse output ======================================= Additional functions: *Discrete output(DO):Support 4 - way relay output, capacity:AC250V/5A, DC30V/5A; *Discrete input(DI):Support 4 - way dry point input; *Analog output:Support 4 way analog output, 4~20mA/0~20mA or 0~5/0~10V