AC Three Phase Dual Source with AC sensing, Multifunction Energy meter of Accuracy Class 1.0, 3 X 240V, 50Hz, with Optical + Modbus RS 485 Communication , Backlit LCD Display of Rating 10-60A. (Measures & Displays, Trivector energy, TOD, Load Survey, Phase wise V, I, PF & Frequency, Maximum Demand and with anti tamper feature).