... Digital Panel Meter LED display volt, current, power, frequency, power factor, kWh, DI/ DO RS485, Modbus PMAC600B 3-phase Digital Panel Meter ... ØSuit for 220V, or 240V (ph-N) low voltage systemØSimultaneous sampling ... ~ 265V;DC: 80V ~ 300VInsulation Strength2KV(testing voltage is AC valid value)Insulation Resistance≥ 50MΩMTBF ... ) PMAC600B 3-phase digital panel meter