TeSys GV4PEM / GV4PB - Motor Protection Devices - User Guide

This document provides users, installers, and maintenance personnel with technical information needed to operate TeSys GV4PEM motor circuit breakers and TeSys GV4PB motor protection circuit breakers. It covers device overview, protection functions including overload, short-circuit, ground-fault, phase unbalance, motor jam, and long-start protections. The guide explains event history management, electrical auxiliary devices such as indication contacts, voltage releases, and SDx modules. It includes detailed instructions for configuring settings using EcoStruxure Power Commission software and EcoStruxure Power Device app through NFC communication. The document describes trip unit operations, thermal protection with memory function, and various operating modes. It provides wiring diagrams, characteristics of accessories, and troubleshooting procedures for NFC communication issues. The guide ensures proper installation, operation, and maintenance of motor protection devices in compliance with IEC, EN, UL, and CSA standards. Note: AI-generated document summary. Please check the original document for detailed information.