The A43-512 energy meter is a direct connect, three-phase meter with a maximum current rating of 80A and operates at 230 VAC. It features configurable I/O and supports Modbus RTU communication protocol. This energy meter offers high accuracy measurements, with active energy accuracy rated at class 1% and reactive energy accuracy rated at class 2%. The measurement range for line-to-line voltage is 100-500 V, while the range for neutral-to-line voltage is 57.7-288 V. With an IP20 protection degree, this meter provides reliable performance in various environments. It also features a backlit pixel-oriented LCD display for easy reading. The A43-512 energy meter belongs to the Platinum sub-group, offering a wide range of functionalities. These include measuring active, reactive, and apparent energy, as well as import/export of energy. The meter also has resettable energy registers and can measure harmonics. It supports advanced clock functions such as load profiles, as well as basic clock functions like tariff control, previous values tracking, max/min demand calculation, and event logging. The meter can be configured to operate in either Class 0.5 or Class 1 mode and supports multiple tariffs. It has fixed I/O options except for the 690 V variant which allows configurable I/O. Additionally, it offers pulse output/alarm functionality. The A43-512 energy meter is designed to be mounted on a DIN rail and occupies seven modules of space. Overall, this versatile and accurate energy meter provides comprehensive measurement capabilities along with advanced functionality for monitoring and managing electrical consumption in three-phase systems.