A three-phase DIN-rail mounted energy meter with a large backlit LCD display, designed for accurate measurement of electrical consumption in three-phase systems. Supporting a wide voltage range of 230/400V with 20/80A current input, this meter complies with IEC 62053-21 and IEC 62055-31 standards for class 1 accuracy. Features include kWh pulse output for remote monitoring, LED indicators for power status and pulse output, and an intuitive front-panel interface. The compact DIN-rail form factor makes it ideal for installation in industrial distribution boards, commercial panels, and sub-metering applications.