... RS485, Modbu Detailed Product Description 3-phase Digital Network Panel Meter LED display voltage, current, power, frequency, power factor, kWh, DI/ DO ... measurementØ10 years back-up of integrated energy dataØLED display, high brightness, auto-scrollingØCT primary is programmableØPluggable terminals ... ( wet contact)ØTwo relay alarm outputØOne RS485 communication PMAC625H LCD digital panel meter