ABB A44 ADVANCED COMPACT DIN-RAIL METER 'GOLD', MODBUSRS485, 3-PHASE, 1A, 4P, IP20 A44-452-100

The A44-452 energy meter is a three-phase device that operates at 500VAC and has a current transformer (CT) connection of 5A. It features both pulse output and Modbus RTU communication capabilities. With an accuracy class of 1, it offers precise measurements within the voltage ranges of N-L 57.7-288V and L-L 100-500V. This energy meter has a protection degree of IP20, ensuring reliable performance in various environments. It also boasts a large backlit LCD display for easy reading. In terms of functionality, it falls under the Gold sub-group category, offering features such as active, reactive, and apparent energy measurement, as well as import/export of energy and resettable energy registers. Additionally, this meter provides basic clock functions including tariff control, previous values tracking, maximum/minimum demand monitoring, and event logging. It can be configured to operate in either Class 0.5 or Class 1 mode and supports tariffs for accurate billing purposes. With fixed I/O options and the ability to generate pulse outputs or alarms when certain conditions are met, this energy meter offers flexibility in integration with other systems. It is designed to be mounted on a DIN rail and occupies seven modules of space. In summary, the A44-452 energy meter is a versatile device that combines accurate measurements with advanced functionality for efficient energy management in three-phase systems.