Salient features suitable for 3p, 4w lt application.three line lcd backlit display to display voltage, current, active power, reactive power, apparent power, power factor, frequency and trivector energy.three push buttons on the front panel for programming and scrolling.available with rs485 modbus communication.6 months history data of active energy, apparent energy & reactive lag & lead energyon rs485 communication which gets updated at 00.00 hours on the last day of the month.6 months history data of kw md & kva md with date & time on rs485 communicationwhich gets updated at 00.00 hours on the last day of the month.available in class accuracy 1.0 & 0.5