EF205 and EF370 Electronic Overload Relays Datasheet

This document provides technical specifications, ordering details, and dimensional data for ABB's EF205 and EF370 self-supplied electronic overload relays, which protect motors from overload and phase failure without requiring an external power supply. It covers setting ranges from 63 to 380 A, selectable trip classes (10E, 20E, 30E), and compliance with IEC/EN and UL/CSA standards, including main and auxiliary circuit characteristics.