... frequency, power factor, kWh, DI/ DO RS485, Modbus PMAC600B 3-phase Digital Panel Meter ØSuit for 220V, or 240V (ph-N) low voltage system ... relay alarm outputØOne RS485 communication ParameterIndexAccuracy Rate0.5Suitable NetworkPMAC600B: 3-phase 4-wireDisplayed DataCurrent4 digits, display real value,Unit: Amp. ... condensingCut-out Dimension89.5mm x 89.5mm (+0.5mm) PMAC600B 3-phase digital panel meter