AC Three Phase Dual Source CT operated, AC sensing, Multifunction Energy metr of Accuracy Class 0.5, 3 X 240V, 50Hz, with Optical + Modbus RS 485 Communication , Backlit LCD Display of Rating -/5A. (Measures & Displays, Trivector energy, TOD, Load Survey, Phase wise V, I, PF & Frequency, Maximum Demand and with anti tamper feature).