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Allen-Bradley 140G/140MC MCCB and MCB Selectivity Guide

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This document provides guidance on selecting Allen-Bradley Molded Case Circuit Breakers (MCCBs) and Miniature Circuit Breakers (MCBs) for selective coordination and back-up protection in electrical systems. It includes selectivity tables, definitions of total and partial selectivity, and technical data for 140G and 140MG series breakers, applicable to both IEC and UL/CSA standards.

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