The Digital kWh meter is a 3-phase NMI meter designed for use with a 415V power supply and a 5A CT connection. It has a class 0.5S accuracy rating and features RS485 MODBUS RTU communication protocol. The meter is equipped with a large LCD display that is easy to read, even in low light conditions. It also has a battery back-up to ensure continuous operation. The meter has a log memory capacity of 2MB and can record up to 16 measurements at 10-minute intervals for a period of 197 days. It is designed to be mounted on a DIN rail and occupies 7 modules of space.