The LUMEL NA5PLUS TRU48400M0 is a digital, programmable, RS485-interface meter with 400g capacity, designed to be mounted on a panel. This meter is capable of monitoring, controlling and displaying information on the user's power supply. It measures and displays parameters such as current, voltage, active power, power factor, energy and much more. The NA5PLUS TRU48400M0 features a dual line LCD display, providing both direct readout and historic data storage for up to 15 days. Additionally, the user has the ability to monitor the power supply via the RS485 port which can also be used to program the meter directly from the host device. This meter also comes with a range of protection functions, including over-voltage, under-voltage, alarm and current limitation, providing reliable, safe operation.