Introducing the Three Phase Smart Meter 3P4W, a DIN-rail mounted energy meter with Class 1.0 accuracy for active power, designed for precise energy monitoring in industrial, commercial, and renewable energy systems. Featuring bi-directional measurement, RS485 communication, and plug-and-play modular design, it ensures reliable performance in power grids, data centers, and solar/storage applications. Built to IEC standards with wide operating temperature range (-40℃ to +75℃) and IP54 protection, this smart meter enables efficient energy management and seamless integration into modern energy infrastructure.More