MELSEC-Q Series Energy Measuring and Insulation Monitoring Module Overview

This document provides an overview of Mitsubishi Electric’s MELSEC-Q Series energy measuring and insulation monitoring modules, which enable detailed energy management and preventive maintenance by visualizing power consumption and leakage currents. It covers features, solution examples, specifications, wiring diagrams, and safety precautions for models such as QE81WH, QE84WH, QE81WH4W, QE83WH4W, and QE82LG.